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A composite volume containing miscellaneous transcripts, extracts, notes, etc., in the hand of Edward Williams ('Iolo Morganwg'). Pp. 1-60 contain a copy of the medieval Welsh metrical treatise or bardic grammar which is usually attributed to Einion Offeiriad and/or Dafydd Ddu o Hiraddug. In the present version which, according to a note on p. 61, was transcribed [by Edward Williams] from manuscript texts then in the possession of Mr. [Thomas] Richards of Llangrallo [co. Glamorgan] and the Reverend Thomas Evans of Brechfa [co. Carmarthen], the work is, however, attributed to Edern Dafod Aur. For the probable source of the present text, subsequent transcripts made of it, its attribution (probably by Edward Williams) to Edern Dafod Aur, and its connection with the version published in John Williams ('Ab Ithel'): Dosparth Edeyrn Davod Aur . . . (Llandovery, 1856), see the introduction to G. J. Williams ac E. J. Jones (gol.) : Gramadegau' r Penceirddiaid (Caerdydd, 1934), p. xv, and J. Morris-Jones: 'Dosbarth Edern Dafod Aur', The Transactions of the Honourable Society of Cymmrodorion, 1923 4, pp. 1-28. The other items in the volume include pp. 61-70, variant readings of the text of the above-mentioned treatise to be found in the two manuscript sources noted; 85-6, notes on Welsh poetic metres and on an 'eisteddfod' reputedly held at Marchwiail, co. Denbigh, circa 1350 or later in the fourteenth century; 87-8, a list of the contents of pp. 89-247 (previously paginated 1-161); 89-110, a version of the statute or code of rules for regulating the training and conduct of Welsh bards and musicians usually associated with the name of Gruffudd ap Cynan and here associated with the names of the said Gruffudd and Bleddyn ap Cynfyn ('. . . o Lyfr . . . Mr. Wiliam Wiliams o Landegai yn Arfon'); 110-13, notes on an 'eisteddfod' held by invitation of Rhys ap Gruffudd, lord of Dinefwr, at Cardigan (from the same source as the preceding item); 113-17, another shorter version of the above-mentioned statute with notes of subsequent confirmations by Rhys ap Tewdwr and his grandson Rhys ap Gruffudd ('O Lyfr Hywel Rhys o'r Faenor'); 118, a sketch plan showing the ? respective positions of the different grades of bards and musicians at an 'eisteddfod' and sketches of some musical instruments ('O Lyfr Hafod Ychtryd ysgrifen John Jones o'r Gelli Lyfdy'); 119-23, a further version of the abovementioned statute as reputedly confirmed at an 'eisteddfod' held at Caerwys [co. Flint], 1568 ('O Lyfr Mr. Cobb o Gaer Dydd'); 124-44, a treatise on Welsh poetic metres with the superscription 'Llyma Gyfarwyddyd Ar Fesurau Cerdd Dafawd a dynnwyd allan o Lyfrau Simwnt Fychan Bencerdd ag eraill . . .' and with a concluding note '. . . A myfi Wiliam Philip o'r Hendre Fechan yn Ardudwy a'i tynnais allan o waith yr awduron gorchestol a fuant o'm blaen . . .', transcribed from 'un o Lyfrau Mr. Cobb o Gaer Dydd yn . . . 1782'; 145-53, a further version of the statute of Gruffudd ap Cynan as confirmed at an 'eisteddfod' held at Caerwys in 1524 (recte 1523), with a list of bards and musicians licensed at the said 'eisteddfod', transcribed 'o No. 65, P.P., Yswain, Plas Newydd ym Môn' (i.e ., from Panton MS 65, now NLW MS 2031, of which see pp. 200-12] (see also NLW MS 13099B); 153-60, a list of the twenty-four Welsh strict poetic metres with illustrative examples [? transcribed from the aforementioned Panton MS 65, pp. 186-93] (see also NLW MS 13099B); 160- 64, notes on, and lists of, Welsh musical measures, etc., transcribed 'o Lyfr No. 65 Plas Newydd ym Môn' [i.e. Panton MS 65, of which see pp. 194- 200] (see also NLW MS 13099B); 164-70, anecdotes relating to Dafydd ap Edmwnt and the 'eisteddfod' held at Carmarthen [circa 1450] in the presence of Gruffudd ap Nicolas (according to the superscription 'Ex Vol. XVII, P.P. Plas Newydd, Môn' [i.e. Panton MS.17 now NLW MS 1986A], but, according to a note on p. 170, copied from an old manuscript at Plas Newydd and compared with versions in another manuscript there and a manuscript in the Hengwrt Library in the hand of J[ohn] Jones of Gelli Lyfdy [this last possibly now Peniarth MS 267 in the National Library]); 171-94, an account of the revision of the regulations relating to the Welsh bards and musicians, the rules of 'cynghanedd', and the twenty-four strict metres undertaken in connection with, or at, the aforementioned 'eisteddfod' held by Gruffudd ap Nicolas at Carmarthen, anecdotes relating to Dafydd ap Edmwnd and the said 'eisteddfod', etc., taken 'O Lyfr Iago ab Dewi yn awr gan Mr. Thomas Evans o Frechfa' (for the text of pp. 171-94 see Y Greal . . ., 1805-1806, tt. 49-61, 97-103, 151-4, and for an evaluation of the contents G. J. Williams: 'Eisteddfod Caerfyrddin', Y Llenor, cyf. V, tt. 94-5; see also IMCY, tt. 86-95); 195-9, further anecdotes relating to Dafydd ap Edmwnd and the aforesaid 'eisteddfod' at Carmarthen and an 'eisteddfod' at Nant Gonwy, notes relating to the date of the 'eisteddfod' at Carmarthen, a list of four 'eisteddfodau' held at Carmarthen, Abermarlas, and Castell Gweblai, 1452-1486, etc.; 201-35, a version of the treatise on Welsh bardic craft published by William Midleton in 1593 [Bardhoniaeth neu brydydhiaeth y llyfr kyntaf . . . ( Llundain, 1593)] with additions and variations, which are probably to be attributed to Edward Williams himself, inserted in, or appended to, the text of the original treatise (see the introduction to G. J. Williams (gol .): Barddoniaeth neu Brydyddiaeth gan Wiliam Midleton . . . (Caerdydd, 1930), more particularly tt. 42-4); 235-40, further notes on Welsh poetic metres; and 241-6, further notes relating to two 'eisteddfodau' held at Carmarthen, ?1451 and ?1461.

A composite volume (pp. 1-540 with two pages not numbered) containing miscellaneous notes, lists, transcripts, extracts, etc., in the hand of Edward Williams ('Iolo Morganwg'). The contents include pp. 1-20, an account of the revision of the regulations relating to the craft and conduct of Welsh bards and musicians, the rules of 'cynghanedd', and the twenty-four strict poetic metres undertaken in connection with, or at, the 'eisteddfod' held under the patronage of Gruffudd ap Nicolas at Carmarthen [circa 1450], anecdotes relating to Dafydd ap Edmwnd and the said 'eisteddfod', etc., the greater part of the material being allegedly extracted 'O Lyfr Iago ab Dewi yn awr gan Mr. Thomas Evans o Frechfa, 1799' (this is the same account, etc., as that which is found in NLW MS 13096B, pp. 171-95, for which see above); 21-2, biographical and other notes on Sir Robert ab Amon, lord of Glamorgan [late 11th cent.], and his brother Richard; 23-4, notes on the Reverend Samuel Williams and his son the Reverend Moses Williams, a list of 'eisteddfodau' held at Carmarthen, Aber Marlas, and Castell Gweblai, 1452-1486, an anecdote relating to the poet Dafydd ab Edmwnd, a transcript of two 'englynion' by, or attributed to, the said poet, etc.; 25-7, extracts from the manuscript copy of the 'Lib[er] Land[avensis]' in Jesus College [Oxford, i.e., Jesus College MS 20]; 28-9, lists headed 'Names of some Constellations of Fixed Stars peculiar to the Britons', and 'Some Constellations in Glamorgan'; 33-7, a version of the Welsh legend of the birth of Taliesin (see The Myvyrian Archaiology of Wales . . . (London, 1801), vol. I, pp. 17-19); 38, Welsh verse attributed to Morys ab Ieuan ab Eigyn and Lewys Morys; 39, a list of the names of early Welsh bards ('Hen Brydyddion a fuant gynt yng Nghymru'); 40, a transcript of 'englynion' ? attributed to Twm ab Han ab Rhys; 41-54, a series of twenty Welsh fables relating to birds and animals with the superscription 'O Lyfr Owain Myfyr. Damhegion a ysgrifenwyd ar femrwn ynghylch y flwyddyn 1300' (see BM Additional MS 14884, and for a published text Y Greal . . ., 1806, tt. 279-80, 322-9, and ibid., 1807, tt. 366-70); 55-9, series of Welsh triads with the superscriptions 'Llymma Drioedd Arbennig' (see John Williams: Barddas . . ., vol. I, pp. 394-7), 'Trioedd Serch', 'Trioedd Taliesin', and 'Trioedd mab y Crinwas' (continued)

60-63, lists of Welsh 'sayings' and other miscellaneous lists with the superscriptions 'Saith ymofynion y saith Doethion', 'Geiriau Gwir Cattw Ddoeth', 'Geiriau Gwir', 'Llyma leoedd ynghorph Dyn y bydd swrn gynheddfau ynddynt', 'Saith Gynneddf Gwr Dewisol ', 'Naw rhif Carennydd', 'Pysygwriaeth o Lyfr Hywel Ddu Feddyg', 'Cas ddynion Selyf Ddoeth', and 'Cas betheu Owein Cyfeiliog'; 64, a transcript of the inscription and 'englyn' found at the beginning of Lewis Dwnn's volume of pedigrees of families in cos. Carmarthen, Cardigan, and Pembroke; 65-8, a version of the Welsh tale 'Breuddwyd Gronw Ddu o Fôn'; 69-81, transcripts of three Welsh strict-metre poems ('awdlau') by, or attributed to, Rhobert Dyfi, Siôn Tudur, and Gruffydd Thomas; 82-8, a copy of a letter in Welsh, 9 December 1726, from the Reverend Edward Gamage from St. Athan [co. Glamorgan], to Llywelyn ab Ifan 'o'r Cannerw', giving an account of the achievements of members of the Stradling family (for a holograph copy of a letter from Edward Gamage to Llywelyn ab Ifan see NLW MS 13077B, and for transcripts by Edward Williams ('Iolo Morganwg') of letters from, or allegedly from, Gamage to the same recipient in addition to the present example see NLW MSS 13091E, 13095B, and pp. 528-36 of the present manuscript; for observations on these letters and doubts as to the authenticity of the Williams transcripts see IMCY, tt. 58-60, TLLM, tt. 107, 195, and IM, tt. 245-6); 89-123, versions of Welsh tracts, tales, etc., entitled 'Cato Cymraeg' (for the text see Y Greal . . ., 1806, tt. 145-51), 'Ystori y Llong Foel' (for the text see Taliesin . . ., cyf. II, 1860-61, t. 284), 'Breuddwyd Paul Abostol' (for the text see Iolo Manuscripts . . ., pp. 190-92, and for an English translation ibid., pp. 603-05), 'Cyngor i Feirdd a Dysgedigion Cymru' (attributed to loan Dafydd Rhys, M.D. [the Welsh physician and grammarian]; see Thomas Parry: 'Siôn Dafydd Rhys', Y Llenor, cyf. X, tt. 35-46), 'Araith Ieuan Brydydd Hir, 1450', and 'Casbethau Ieuan Brydydd Hir'; 124-30, transcripts of a Welsh poem entitled 'Arwyddon Taliesin', two poems by, or attributed to, Twm ab Ifan ap Rhys, a Welsh prophecy entitled 'Llyma Brophwydoliaeth Merddin', and an 'englyn' attributed to Edward Dafydd o Fargam; 137-42, notes, allegedly 'from John Bradford's MS', relating to the bards Lewys Glyn Cothi, Lewys Morganwg, Thomas Philip Fardd, Hopcin Twm Philip, Ieuan Swrdwal, Hywel Swrdwal, Ieuan ab Hywel Swrdwal, Iorwerth Fynglwyd, Dafydd Fynglwyd, Rhisiart Iorwerth, Bran ap Llyr, Talhaearn Fardd, Sils ab Siôn, Meredydd ab Morgan Philib, William ap Morgan, William Dafydd, Morgan Pywel, Siôn Mowddwy, Llawdden, Cattwg fab Gwynnlliw, Caradawc o Lancarvan, Casnodyn Fardd, Trehaearn Brydydd Mawr, Harri ab Rhys ab Gwilym, Meuryg Dafydd, and Llywelyn Siôn; 153-71, a version of the Welsh prose oration 'Araith Gwgan' (for the text see Taliesin . . ., cyf. II, tt. 108-12, and for observations thereon IM., tt. 249-51); 171-4, transcripts of a poem from 'Llyfr Du Caerfyrddin', 'englynion' by, or attributed to, Wiliam Llyn, Huw Llyn, Richard Davies, Esgob Dewi, Dafydd Nanmor, Siôn Tudur, Syr Lewys, and Ednyfed Fychan, etc.; 175-7, a copy of a preface to 'a little book' ? with the title 'Short Pedigrees of divers Noblemen . . . of Pembrokeshire containing most part of the eight ancestors from whome they are descended' found 'amongst L. Morris' papers'; 178-81, extracts from [John Wynne:] The History of the Gwedir Family [London, 1770]; 182, a note relating to freemasonry; 183-5, lists of Welsh 'sayings' attributed to Ystyffan Fardd and Catto Ddoeth, etc.; 185-7, a transcript of a Welsh poem attributed to Sippyn Cyfeiliog; 188-93, a version of the Welsh tale 'Dammeg Einion ap Gwalchmai'; 194-204, transcripts of four unattributed 'englynion', a Welsh poem attributed to Twm ab Ifan ab Rhys, and an 'awdl' attributed to Siôn Tudur, and genealogical data headed 'Pum Brenhinllwyth Cymry'; 205-20, genealogical data relating largely to Glamorgan, notes on the arms of [Norman] knights who had come to despoil Glamorgan ('Llyma arfau y Cwncwerwyr a ddaethant ar anraith i Forganwg'), etc. (continued)

221-45, transcripts of 'englynion' attributed to Dafydd Benwyn, Siôn Morys Llwyd, Dafydd Llwyd Mathew, Gronwy William, Llewelyn Siôn, Antoni Powel, Morgan Powel, Harri Rheinallt, Huw Ceiriog, Huw Llyn, Wm. Byrcinsiaw, Ieuan Tew, R. Dafis, Escob Mynyw, Siôn Tudur, Huw Pennant, Wiliam Cynwal, Owain Brereton, Owain Gwynedd, Lewys Menai, Bedo Hafesb, Einon Tew, Siôn Philip, Simwnt Fychan, Wiliam Llyn, Edward Brwynllys, Huw Arwystli, Elis ab Rhys ab Edward, Robert Gruffudd ab Ifan, Huw Conwy, Bartholomew Jones, Hywel Ceiriog, Rhys Celli, Dafydd Alaw, Edward Dafydd, Dafydd Edward, Charles Meredydd, Siams Thomas, Hywel Rhys, Dafydd Rhys, Wiliam Lidwn, Hopcin Thomas, Siôn Padarn, Mathew Llwyd 'o Gelligaer', Llywelyn Thomas, Hopcin Dafydd Edward 'o Langyfelach', Harri Lleision 'o Lancarfan', Bleddyn Siôn, Hywel Lewys, Siôn Roberts, Thomas Lewys, Jenkin Rhisiart, Charles Dafydd Meredydd, Morgan Gruffudd, Lleision Ifan, Hopcin Llywelyn, Dafydd Ifan Siôn, Charles Bwttwn, esqr., Dafydd o'r Nant, Samuel Jones, Lewys Môn, Tudur Aled, Gruffudd ab Llywelyn Fychan with Han Brydydd Hir, Huw Ednyfed, Rhys Nanmor, Gwilym ab Ieuan Hen, Iorwerth Fynglwyd, Rhys ab Rhisiart, Gwilym Tew, Dafydd Llwyd 'o Fathafarn', and Ieuan Brechfa (some of these 'englynion' were allegedly written in connection with a bardic meeting held at Craig y Ddinas, 'eisteddfodau' at Caerwys, Bewpyr, Dinbych, ? Carn Fadryn, and Castell Gweblai, and a 'cadair wrth gerdd yn Llangynwyd . . . 1664' (see TLLM, tt. 91-2)); 239-42, anecdotes relating to Gutto'r Glynn and Hywel Dafydd ab Ieuan ab Rhys at an 'eisteddfod' held in Cardiff Castle (with a transcript of an 'englyn' attributed to Sir Wiliam Herbert), and Dafydd o' r Nant at a meeting of bards at Lantrisaint; 247-9, an incomplete copy of a 'cywydd' attributed to Edmund Prys; 250-52, brief genealogical notes relating to the poets or writers Huw Machno, Einion ab Gwalchmai, Rhys Goch, Tudur Penllyn, Llew'n Offeiriad, Syr Owain ab Gwilym, Llen. Goch ab Meurig Hen, Tudur Aled, William Cynwal, Cywryd ab Elaith, Ieuan ab Rhydderch, Dav. Powel, D.D., Gruff. ab Ieuan, Rhys Cain, John Cain, Dafydd Jones, vicar Llanfair Dyffryn Clwyd, Dafydd Llwyd . . . 'o Fathafarn', Edmund Prys, Ednyfed ab Gruff., Madog Benfras, and Llywelyn Llogell Rison (continued)

253-4, an anecdote relating to a Welsh scholar at Oxford and a copy of a poem attributed to Taliesin; 257-8, copies of extracts made ? by Evan Evans ['Ieuan Fardd'] from 'the Liber Landavensis in the Library of Mr. Davies of Llannerch' [now NLW MS 17110E]; 265--84, a copy of ? the preface and first section of a work entitled 'Datguddiad y Daroganwr Neu gasgliad o amryw frudiau a daroganau . . . yn yspysu yn amlwg mai'n presennol Frenin William y trydydd yw y Brenin Darogan' transcribed, according to a note on p. 266, in 1799 from a manuscript in the hand of Thomas ab Ifan of Tre Brynn [the copyist of NLW MSS 13061-13063B, 13069B, 13085B] then in the possession of Thomas Johns of Hafod Uchtryd, co. Cardigan (the preface deals with vaticinatory verse in the Welsh language more particularly that of Merddyn Emrys, Merddyn Wyllt, and Taliesin, and the author maintains that prophetic allusions in such poems were to King William III; see TLLM, tt. 171-2); 289-327, transcripts of miscellaneous old Welsh poems [mainly from 'Llyfr Du Caerfyrddin' and 'Llyfr Taliesin']; 327-9, a copy of an 'awdl' attributed to Dafydd y Coet; 337-45, transcripts of a twelve-stanza poem ['Enweu Meibon Llywarch Hen'] attributed to Llywarch Hen, and a sequence of thirty-seven 'englynion' all commencing with the words 'Eiry mynydd' attributed to Llywarch Hen, or Mab Claf ab Llywarch, or Llywelyn Llogell Rhison 'o Farchwiail', a version of the Welsh prose oration 'Trwstaneiddrwydd Gruffudd ap Adda ap Dafydd', and a few medicinal notes attributed to 'Meddygon Myddfai'; 346-59, transcripts of an 'awdl' allegedly written by Gwilym Tew in connection with an 'eisteddfod' held in the monastery of 'Penrhys yng Nglynn Rhodneu' in Glamorgan in 1434 or 1435, and an 'awdl' allegedly written by Lewys Morganwg for an 'eisteddfod' held in the monastery of Nedd (Neath) [in Glamorgan] in 1493 or 1494; 359-62, an anecdote relating to a proposal to establish a university in Glyn Nedd, temp. Henry VII, a few Welsh triads, and extracts from Robert Vaughan: British Antiquities Revived . . . ([Oxford], 1662); 363-72, transcripts of two 'awdlau' attributed to Thomas Prys 'o Blas Iolyn' and Lewys ab Edward; 375-8, a copy of an extract from the 'Liber Landavensis' as in pp. 257-8, and brief pedigrees of Gwaithfoed, prince of Cardigan, fl. circa 1000, and Bleddyn ap Cynfyn; 379- 417, transcripts of Welsh poems attributed to Thomas Prys 'o Blas Iolyn', Siôn Tudur, Meredydd ap Rhys, Dafydd Nanmor, Rhys Goch 'o Eryri', Madoc ap Gronw Gethin, and Prydydd y Moch, and of unattributed Welsh verse; 418, an analysis of the 'elements' in man ('Defnyddion Dyn') (see John Williams: Barddas. . ., vol. I, pp. 386-9); 419-28, transcripts of two early Welsh poems, the first being an elegy to Cynddylan (for both poems see The Bulletin of the Board of Celtic Studies, vol. IV, pp. 41-7, and vol. VI, pp. 139-41), and a sequence of twenty-five 'Englynion Beddeu Milwyr Ynys Prydain' from 'Llyfr Du Caerfyrddin'; 435-48, transcripts of Welsh strict- metre poems attributed to Da'dd Williams, 'viccar Penllin'; 451-82, transcripts of Welsh strict- and free-metre poems attributed to Huw Morys; 483-92, a brief account in Welsh of the history of Glamorgan from the time of Morgan Mwynfawr to the reign of Henry VIII allegedly 'allan o Lyfr y diweddar Barchedig Edward Gamais, offeiriad Sant Athan, ag ynawr gan Mr. Siôn Spenser o'r un Plwyf'; 493-527 two accounts in Welsh of the quarrels between Iestyn ab Gwrgant, lord of Glamorgan, and Rhys fab Tydyr, lord of Deheubarth, and between the said Iestyn and Einon fab Collwyn, which led eventually to the conquest of Glamorgan by the Normans under Syr Rhobert fab Amon and the division of the country amongst the said Syr Rhobert and his twelve fellow knights, with brief notes on the subsequent ownership of the estates created (the first account was allegedly taken 'o Lyfr Daniel Thomas, argraphydd', and the second allegedly 'o Lyfr y Parchedig Mr. Thomas Basset o Lan y Lai a Gweinidog Sili ag Eglwys Brywys'); 528-36, an incomplete copy of a letter in Welsh [from the Reverend Edward Gamage, rector of St. Athan] to Llywelyn ab Ifan, giving an account of the coming of Sir William Le Esterling, ancestor of the Stradling family, into Glamorgan with the Normans (see pp. 82-8 above); and 539, an incomplete extract relating to the twenty-four traditional Welsh accomplishments.

A composite volume containing miscellaneous material in the hand of Edward Williams ('Iolo Morganwg'). The contents include pp. xiii, xv-xvi, two lists of the contents of pp. 1-160; xvi, a copy of an 'englyn' by [Edward Williams] 'Iolo Morganwg'; 1-5, a version of the rules for regulating the Welsh bardic order ('Ystatun . . . ar wyr wrth Gerdd') attributed to Gruffudd ap Cynan and Bleddyn ap Cynfyn; 5-9, comments by [Edward Williams] 'Iolo Morganwg' on the attribution of the formulation of such rules to Gruffudd ap Cynan and others; 110-114, a copy of a proclamation announcing that an 'eisteddfod' was to be held at Caerwys, co. Flint, 26 May 1567, and a list of the bards and musicians licensed at the said 'eisteddfod'; 115-116, descriptions of 'finger-signs' used to represent letters of the alphabet ('Egwyddor Awgrym Llaw'); 117-27, extracts, including examples of Welsh strict metres, from Welsh bardic grammars described in the first aforementioned list of contents as 'Pigion o Hen Lyfr Dosparth Cerdd dafawd' and 'Amrafaelion [d]darlleniadau yn Nosparth Edeyrn Dafawd Aur ag un Dafydd Ddu o Hiraddug' and in the second as 'Amrafaelion o Hen Ddosparth Cerdd' and 'Darlleniadau amrafaelion Dosparth Dafydd Ddu Hiraddug neu Dafydd Ddu Athraw'; 28, transcripts of three 'englynion' attributed to Rhys amheyrig 'o'r Cottrel'; 28-32, transcripts of two letters reputedly exchanged between the sixteenth century Welsh poets Siôn Mowddwy and Meyryg Dafydd (see also NLW MS 13121B above, pp. 501-05); 32, a brief note on 'eisteddfodau' held at Caerfyrddin in 1451 and 38 Henry VI; 33-118, an incomplete version of a Welsh bardic grammar consisting of part III (pp. 33-55 under an initial superscription reading 'Llyma Ddosparth Cerdd Dafawd a wnaeth Simwnt Fychan Bencerdd Fr Meistr Pirs Mostyn o Dalacre. Hwnn yw Trydydd Lyfr Cerddwriaeth Cerdd dafawd') dealing with the structure of the strict metres, part IV (pp. 55-76) dealing with 'cymmeriadau' and 'cynghaneddau' ('yn nesaf ysbysswnn o'r pedwarydd Llyfr Cerddwriaeth Cerdd dafawd nid amgen noc o'r Cymmeriadau a' r Cynghaneddau . . .'), and part V (pp. 76-119) dealing with faults in metre and 'cynghanedd' and the objects to be praised in verse, and containing at the end a series of eighty-two bardic triads ('Trioedd Cerdd y rhai y mae Beirdd Ynys Prydain yn ymarfer o'i cofiaw a'i ystyried'); 119- 22, a copy of the proclamation announcing the holding of an 'eisteddfod' at Caerwys, co. Flint, 26 May 1568, and the licensing of Simwnt Fychan as 'pencerdd'; 122-3, a note on the adoption of family surnames by the Welsh in accordance with a decree of the aforementioned 'eisteddfod' and on the mode of registering the said names; 124-37, a version of the code of rules for Welsh bards and musicians attributed to Gruffydd ap Cynan as reputedly confirmed by Bleddyn ap Cynfyn and others and at the aforementioned 'eisteddfod' at Caerwys; 138-40, a note relating to Dafydd ab Edmwnt and the 'cadwyn fyrr' strict poetic metre with an example of the said metre; 141, transcripts of 'englynion' attributed to Hywel ap Syr Mathew, Simwnt Fychan, and Howel Bangor; 142-51, a further version of the bardic rules attributed to Gruffudd ap Cynan 'fal ai conffirmiwyd yn Eisteddfod Caerwys . . . 1567'; 152, a note by [Edward Williams] 'Iolo Morganwg' on the aforementioned code of rules; 153-7, transcripts of 'Cywydd y Delyn Ledr' attributed to Dafydd ap Gwilym, two stanzas attributed to Llywarch Hen, and four unattributed 'englynion'; 158-60, a series of Welsh proverbs extracted allegedly 'o Lyfr Harry Siôn o Bont y Pwl'; 197-231 (previously paginated 1-35), notes dealing largely with the phonology of the Welsh language; 268, ? a proposed scheme or list of chapter headings for an 'Analytical Dissertation on the Welsh Language'; 273-392, mainly lists of Welsh words grouped according to their terminations; 376-8, stanzas of psalm tunes; and 409-12, notes on Welsh phonology.

Miscellaneous papers containing material in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. The contents are extremely varied. The section now paginated 137-64 appears to have been originally a home-made booklet with the present pp. 137-8, 163-4 (bluish, rough paper) as covers. P. 137 is inscribed 'Catalogue of Books at London, May 20th 1794', and is followed (pp. 141-55) by a list of two hundred and sixty-seven books and (p. 157) a list of Welsh manuscripts including those described as 'Byrdew Trebryn' (? Llanover B. 1, now NLW MSS 13061-13062B), 'Barddoniaeth Sils ap Siôn' (? Llanover B. 6, now NLW MS 13068B), and 'Marchog Crwydrad' (? Llanover E. 1, now NLW MS 13163B) (As Edward Williams was in London during the period 1791-1795, if the identification of the three aforementioned manuscripts is correct, it is possible that the catalogue is of Williams's books and manuscripts). P. 165 is inscribed 'Hints for a short exposition of the Prophecies relating to Antichrist' and is followed (pp. 167-83) by a short theological exposition of ideas relating to the existence of a 'trinity of Antichristian Powers', viz. civil tyranny, ecclesiastical tyranny, and human philosophy, a conflict involving these powers, and the ultimate triumph of a ? Christian theocracy. Other items include pp. 23-8, a list of Welsh manuscripts and of Welsh and English books with the superscription 'Catalogue of the Books & MSS. in this Box, Jan. 24th 1802 sent 4 sets Walter's Dict'y for Mr. O. Jones 14 Nos. Do. Mr. Williams, Strand, viz. from 7 to 14 inclusive. Nos. 14 four Copies, 1 Copy No. 13'; 38, 95, 185, 187, 300, 304, occasional Welsh triads; 43-7, a list of Welsh proverbs or proverbial sayings with occasional annotations; 59-63, two lists of English and Welsh books headed 'Jan. 1818 Books at Merthyr' and 'On the Bench in the lock'd up little Room' (? the second a continuation of the first); 81, a list of the hundreds of Morgannwg; 83, a list of species of apples; 87-94., notes headed 'Subjects of new songs, odes, etc., by E[dward] W[illiams], 1791', giving ? the subjects or themes and sometimes one or more stanzas of sixty-four songs, etc., mainly English; 95, a brief note on Dafydd ap Gwilym and the 'cywydd' measure; 96-8, notes containing a bitter attack by Edw[ar]d Williams on Theo[philus] Jones's work A History of the County of Brecknock [1805-1809]; 107-10, meteorological notes headed 'Meteorology. Observations on the Weather By the Late Revd. W. Jones of Pluckley (Moore's Almanack improved, 1808)'; 185, 200, 244, 245, 247-8, transcripts of 'englynion' attributed to [Edward Williams] 'Iolo Morganwg', Simwnt Fychan, Ednyfed Fychan, Thos. Lln. 'o Regoes', Ddd. Edward 'o Fargam', Jonathan Hughes, and Morgan Llywelyn 'o Gastell Nedd'; 190-91, an incomplete list of bards and musicians licensed at the 'eisteddfod' held at Caerwys [co. Flint], extracted from [Thomas] Pennant: A Tour [in Wales]; 207-16, extracts from various books of the Old Testament under the superscription 'Jewish Apostacy'; 249, a list of the subjects in literary competitions at an 'eisteddfod' ('Testuna'r Alban Elfed ar fynydd y Garth, 1798'); 255, 263, 265-6, 268-72, ? accounts in connection with mason's work done for various people, 1796-1808; 258, a list of 'Glam[organ] idioms'; and 301, a list of 'Graddau carennydd'. Also found are extracts from miscellaneous printed sources such as the New Annual Register, 1782 (Chinese hempseed), the Annual Register, 1772, the Crit[ical] Review, 1797 (a list of publications), and the Monthly Mag[azine], Nov. 1800 (the versification of Klopstock in his Messiah), groups or lists of Welsh words, extracts from the works of Welsh poets, and other miscellaneous items. Notes are found written on the verso or margins of a copy of a printed leaflet advertising a performance of 'King Henry 4th' to be given by the Young Gentlemen of Cardiff Academy in the town hall in Cardiff, 19 December 1806, copies of a printed leaflet containing proposals for publishing Edward Williams's two volumes of English verse Poems Lyric and Pastoral, and the cover of a copy of The Bee or Literary Weekly Intelligencer, vol. X, no. 5, 1792.

A volume containing miscellany of prose and verse items in the hand of Edward Williams ('Iolo Morganwg'), divided into three sections each described on its 'title-page' as 'Brith y Coed sef cynnulliad cymmysg o hen Bethau Cymreig Rhyddiaith a Phrydyddiaeth Cynnulliad Iolo Morganwg'. These three sections are numbered Rhifyn 1, 11, 111 respectively. The contents of section 1 (pp. i-viii, 1-153) consist of miscellaneous items including notes on the three bardic brothers Ednyfed, Madawc (Benfras), and Llywelyn ap Gruffudd of Marchwiail [co. Denbigh] (11), copies of versions of the dedicatory epistle to Richard Mostyn and the letter to the reader which Gruffudd Hiraethog composed as introductory material to his booklet or volume 'Lloegr drigiant ddifyrrwch Brytanaidd Gymro' which contained, inter alia, his collection of Welsh proverbs (see D. J. Bowen: Gruffudd Hiraethog a'i Oes (Caerdydd, 1958), tt. 32-7) (33-42), a list of old Welsh words extracted from the aforementioned booklet (37), a copy of Simwnt Vychan's licence as 'pencerdd' granted at the Caerwys eisteddfod, 1567 (42- 3), miscellaneous Welsh proverbs (44-5, 72), a list of fifteenth and sixteenth century Welsh bards with the names of their burial places (59-62 ), an anecdote relating to Siôn Mowddwy (64), a copy of the marriage vow ( Welsh) in force in the time of Oliver Cromwell (73), a brief note on the orthography of the 'Black Book of Carmarthen' (73), medicinal recipes (74- 5), a description of a traditional Glamorgan game called 'Chware cnau mewn Llaw' (see IM, tt. 51-2) (76), anecdotes purporting to give biographical data re Dafydd ap Gwilym (77-85), an anecdote relating to Rhisiart Iorwerth 'o Langynwyd' incorporating an 'englyn' attributed to him (86-7), an anecdote re the imprisonment of people in Cardiff gaol for their religious views in the reign of Mary [Tudor] (93-6), an anecdote re a meeting of poets at Ystrad Ywain [co. Glamorgan] in 1720 (98), a note relating to Llywelyn Bren Hen (100), a brief pedigree of the Abermarlais family (101), a list of Welsh proper names derived from Latin (105-06), a note on 'cerdd gadair' and 'cerdd deuluaidd' (107), a series of triads entitled 'Trioedd y Cybydd' (117-20), a few triads with other miscellanea ( 132-3), a note on violent winds near Ruthyn [co. Denbigh] in 1628-1629 (137-8 ), an extract from a letter from John Lloyd ap Huw to Edward Llwyd of the [Ashmolean] Museum [Oxford], 1698, concerning the location of certain ' cistiau' and stone circles (138-9), a note on Tudur Aled with a list of bards licensed at an 'eisteddfod' held at Caerwys in 1565 (150-51), and an anecdote relating to Tomas Llywelyn 'o Regoes' (152); prose items, lists, etc., with the superscriptions 'Llyma enwau Pedwar Marchog ar hugain Llys Arthur . . .' (1-10), 'Llyma enwau Arfau Arthur' (10), 'Llyma Enwau llongau . . . Arthur' (10), 'Casbethau Cattwg Ddoeth' (16), 'Enwau y Pedair camp ar hugain (24 accomplishments) a'r achos y gwnaethpwyd hwynt' (17-19), Pedwar Marchog ar hugaint oedd yn Llys Arthur . . .' (20-23), 'Cynghorion Ystudfach fardd' (27-8), 'Cyngor Taliesin . . . i Afawn ei Fab . . .' (46), 'Llyma achau a Bonedd rhai o'r Prydyddion' (49), 'Ymryson yr Enaid a'r Corph yr hwn a droes Iolo Goch o'r Lladin yng Nghymraeg' (65-70 ), 'Naw Rhinwedd y gofyn Duw gan Ddyn' (70-71), 'Graddau Carennydd' (92), 'Coffedigaeth am ladd y Tywysog Llywelyn ap Gruffudd . . . ' (130-31), 'Y Saith Veddwl teithiol' (134-5), 'Llyma saith Rhad yr Yspryd Glân' (135), 'Llyma'r . . . saith Bechod marwol' (135), 'Llyma saith weithred y drugaredd' (135), 'Llyma Weddi y Pader' (136), 'Enwau y nawnyn a diriwys yn gyntaf yn Fforest Glynn Cothi' (142-3), and 'Chwe peth a ddifa Lloegr' (148); and transcripts of Welsh poems in strict and free metre, often single 'englynion', including poems attributed to Rhys Goch Eryri (12), Thomas Llywelyn 'o Regoes' (12,141), Gruffydd Hiraethog (13), Simwnt Fychan (? 13, 109), Bleddyn ddu (13), Dafydd Benwyn (13), Richard Hughes ( 14, 116), Wm. Llyn (14), Elis Wynn 'o blwyf Llanuwchlyn' (15), Taliesin Ben Beirdd (23, 90-91, 104), Ystudfach fardd (23-6), Thomas Gruffudd (32), Llen. Deio Pywel (46), Llywelyn Siôn 'o Langewydd' (47-8), Hopcin ap Thomas ap Einon 'o Ynys Dawy' (50), Gytto'r Glynn (55), Thomas Glynn Cothi (57-8), Tomas Lewys 'o Lechau' (63-4), Morys Dwyfech (72), Twm ab Ifan ab Rhys (87-8), William Dafydd 'o Abercwmyfuwch' (88-9), Siôn y Cent (97, 112- 14), Dafydd ap Gwilym (99, 108), Edward Richards (108), Revd. Mr. Davies, Bangor (108), Tudur Aled (109), Edward Maelor (109), Rhys Cain (110, 115), Dafydd ap Siancyn Fynglwyd (110), Roger Cyffin (110), Siôn Tudur (110), Syr Huw Dafydd 'o Euas' (111), Ieuan Brydydd Hir 'o Lanyllted' (111), Thomas Powel 'o Euas' (111), Dafydd ab Edmwnd (114), Rhisiart Iorwerth (115), Syr Ifan, 'offeiriad Carno' (115), Matthew Owen (115), ? Huw Morys ( 115), Rhisiart Philip (115), Cynddelw Brydydd Mawr (116), Seisyllt Bryffwrch (116), Dafydd Nanmor (131), Iago ab Dewi (140), Llywelyn Tomas ( 141), and Rhobin Ddu 'o Fôn' (143-8), a sequence of fifteen stanzas called 'Araith y Gwragedd' (29-32), a sequence of 'Englynion y Misoedd' attributed to Syppyn Cyfeiliog or Cneppyn Gwerthrynion reputedly 'o Lyfr Ysgrif yn llaw'r Dr. Dafis o Fallwyd' (121-4), and a sequence of thirty-two 'Englynion yr Eira' attributed to Macclaff ap Llywarch (125-30). (continued)

Section 2 (pp. 161-312) contains miscellaneous items including a note relating to Morgan Llywelyn ? 'o Regoes' (170), a short list of Welsh bards who had acted as bardic teachers to other bards (198), miscellaneous genealogical and chronological data (220-21), lists of Welsh bards 'yn amser y Clymiad cyntaf ar Gerdd', 'yn yr ail clymiad Cerdd', and 'yn amser y trydydd Clymiad ar Gerdd' (225-32), a copy of an introduction written by [Edward Williams] 'Iolo Morganwg' in 1800 to a proposed booklet to be called 'Gwern Doethineb' containing ? extracts from miscellaneous Welsh manuscript sources (268-70), a brief chronicle of events in Welsh and British history to 1318 A.D. (275-9), a further brief chronicle of events in Welsh and British history to 1420 A.D. (280-300), and a third brief chronicle of such events to 1404 A.D. (301-03); prose items or lists with the superscriptions 'Henaifion Byd' (171-5), '14 Prif geinciau Cadwgan a Chyhelyn' (186-7), 'Llyma Ddosparth Cerdd Dant' (211-14), 'Llyma enwau y pedwar mesur ar hugain Cerdd dant' (214-15), 'Llyma y saith mesur ar hugain' (215-16), 'Llyma Lyfr a elwir Cadwedigaeth Cerdd Dannau . . .' ( 217-19), 'Llyma yr ystatys a wnaeth Gruffudd ap Cynan i'r Penceirddiaid a'r Athrawon i gymmeryd Disgyblion . . .' (271-4), and 'Dosparth yr awgrym' ( 303); and transcripts of Welsh poems, sometimes a single 'englyn', including poems attributed to Dafydd ap Gwilym (169-70, 205), Siôn y Cent (175-9), Huw Machno (180-84), Thomas Carn (184-5), Thomas Dafydd ap Ieuan ap Rhys 'o Bwll y Crochan' (a sequence of twenty 'Englynion Eiry Mynydd ar Ddiarhebion') (187-93), Dafydd ap Edmwnt (194), Siôn Brwynog (195, 200), Hywel ap Syr Mathew (196), Dicc Huws (197), Syr Thomas Williams 'o Drefriw' (199), Dafydd Nanmor (200, 304), Thomas James (200), Rhys Cain (201, 203 ), Siôn Philip (201-02), Huw Pennant (202), Morgan ap Huw Lewys (202), Huw Arwystli (204), Tudur fardd coch (205), Llawdden fardd (206), Dafydd Manuel (207-10), Guttyn Owain (222-4), Edward Dafydd (265-7), and Thomas Llewelyn 'o Regoes' (304), a series of 'englynion' mostly to the nightingale reputedly composed in connection with 'eisteddfodau' held at Caerwys including 'englynion' attributed to Siôn Tudur, Wiliam Cynwal, Wiliam Lleyn, Rd. Davies, escob Mynyw, Robert Gruffydd ab Ieuan, Bartholom Jones, Huw Llyn, Elis ab Rhys ab Edward, Syr Lewys 'o Langyndeyrn', Hittin Grydd, and Lewys ab Edward (233-9), a series of one hundred and sixty stanzas with the superscription 'Chwedlau'r Doethion (o Lyfr Tre Brynn)' each stanza commencing 'A glywaist ti chwedl' (240-60), and a second sequence of thirty-four stanzas of the same nature (260-65).

Section 3 (pp. 313-444) includes prose items with the superscriptions 'Llyma Ragaraith Bardd Ifor Hael' (with a note thereon by [Edward Williams] 'Iolo Morganwg') (335-9) 'Cas Bethau Bardd Ifor Hael' (339), 'Trithlws ar ddeg Ynys Prydain' (340-41), 'Llyma fal y telid iawn dros alanas gynt. . .' (352), 'Llyma ddosparth yr awgrym' (356), 'Dewis Bethau Bach Buddugre' (357-8) 'Casbeth Ieuan Gyffylog' (358-9), 'Casbethau Dafydd Maelienydd' (362-3), 'Llyma gynghorion y Dryw o'r Llwyn glas' (364-6), 'Llyma gynhorion Gwas y Dryw' (366), 'Araith Ieuan Brydydd Hir o Lanylltid' (with a note thereon by [Edward Williams] 'Iolo Morganwg') (369-72), 'Llyma Enwau Prif Gaerydd Ynys Prydain' (393-7), and 'Dewis bethau Hywel Lygadgwsg' (424-5); transcripts of Welsh poems, sometimes a single 'englyn', including poems attributed to Wmffre Dafydd ab Han, 'clochydd Llan Bryn Mair' (321-7), Wiliam Philip 'o'r Hendre Fechan' (328-34), Morgan Mwcci Mawr (334), Richard Wiliam (343-9, 374), Dafydd Llwyd 'yn ymyl Llanrwst' (351), Dafydd Ddu 'o Hiraddug' (351), Llywelyn fawr y dyrnwr (360-61), Ieuan Brydydd Hir ( 372-4), Merfyn Gwawdrydd ('canu misoedd y flwyddyn') (375-82), Guttyn Owain (383-4), Maclaf ab Llywarch ('Eiry Mynydd' stanzas) (385-9), Taliesin Ben Beirdd (390-91, 398-401), Dafydd Edward 'o Fargam' (417), Thomas Llywelyn 'o Regoes' (417), Ednyfed Fychan (418), Morgan Llywelyn 'o Gastell Nedd' (419), Ystudfach Fardd (twenty-four 'Englynion y Bidiau') (421-4), Gwgan ab Bleddyn (426-7), and Davydd Davies 'o Gastell Hywel' (432); and miscellaneous items including instructions in Welsh for making fishing hooks ('Modd y gwneir Bachau enwair') (342-3), medicinal recipes (349-51, 420), lists of Welsh proverbs (353-5, 367-8), an anecdote re Taliesin and Maelgwn Gwynedd (391-2), a copy of the introduction written by Thomas Wiliems [of Trefriw] to his Latin - Welsh dictionary 'Thesaurus Linguae Latinae et Cambrobrytannicae' transcribed by [Edward Williams] ' Iolo Morganwg' from one of the manuscripts of Paul Panton of Plas Gwyn, Anglesey (now NLW MS 1983 of which see ff. 48-56) (402-13), a note by 'Iolo Morganwg' relating to Thomas Wiliems (414-15), a note relating to Cattwg Ddoeth (418), brief notes on Dafydd ap Gwilym, Llawdden Fardd, Dafydd ap Edmwnd, and Tudur Aled (428), four versions of the Lord's Prayer in Welsh 'o'r un llyfr yn llaw Edward Llwyd' (429-31), a note on Tudur Aled (432), and a short treatise commencing 'Llyma son am Fonedd ag anfonedd sef y traether am fonedd ac anfonedd yn hynn o fodd . . .' (433-9 ). Each section is preceded by a list of contents.

Miscellaneous papers, home-made booklets, etc., containing material in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. P. xliii bears the inscription 'Trioedd amrafaelion a gynnulliwyd yng Ngwynedd yn y Flwyddyn 1799', and underneath this is a list of the names of six series of Welsh triads and a note (probably in the hand of Taliesin Williams, son of Edward Williams) which reads 'This Packet contains a variety of Triads resembl[ing] very much those of the Island of Britain and that are in all probability some of the lost ones of that Class. Jan. 17, 1831'. P. 1 bears the inscription 'Trioedd amrafaelion a gasglwyd yng Ngwynedd yn y flwyddyn 1799 Gan Iolo Morganwg', and underneath this is a list of the names of seven series of triads. Following on pp. 3-70 are series of triads with the superscriptions 'Trioedd Cerdd o Ddosparth Cerdd Dafawd Simwnt Fychan Bencerdd, A Robert Fychan o Hengwrt a'i dadysgrifennodd o Lyfr yn Llaw S.F. ei hun' (according to a note added to this superscription and a further note on p. 16 this series was copied in 1799 by Edward Williams from Panton MS 35 [now NLW MS 2003] in the hand of the Reverend Evan Evans ('Ieuan Brydydd Hir')), 'Trioedd o Lyfr y Parchedig Mr. Davies o Fangor' (with added note 'Yn Llyfr Twm o'r Nant y mae'r Trioedd hyn a'r rhai a'u canlynant dan enw Trioedd Llogell Rhison'), 'Trioedd Taliesin o'r un Llyfr' (with added note 'Trioedd Llogell Rhison yn Llyfr Twm o'r Nant'), '[Trioedd] Eraill o amryw lyfrau' (with added note 'Twm o'r Nant, D. Ddu, &c .'), 'Trioedd Ynys Prydain o Lyfr D[afydd] Ddu Eryri', and 'Llyma Drioedd Llogell Rhison o Lyfr Mr. Davies o Benegos' (with added note 'y mae y rhain yn Nosparth y Ford Gron cynn amser Llogell Rhison'). P. 81 contains a list of the contents of pp. 87-121, and is followed by pp. 83-4, a series of miscellaneous triads, p. 85, a note headed 'Mesurau Cerdd dafawd', pp. 87-112, a series of triads entitled 'Trioedd Ynys Prydain', and pp. 112-21, a list of 'Dewis bethau Taliesin', three triads, eight stanzas of Welsh verse entitled 'Cân y Magwraeth' and attributed to Gwion bach, further miscellaneous triads, and a series of triads with the superscription 'Trioedd o Lyfr Mr. Panton'. Pp. 133-202 contain a series of one hundred and twenty-six triads with the superscription 'Llyma Drioedd Ynys Prydain sef ydynt Trioedd Cof a chadw a gwybodaeth am hynodion o Ddynion ac o bethau a fuant yn Ynys Prydain ac ar ddamwain a damcwydd i Genedl y Cymry' reputedly compiled by Thomas Jones of Tregaron ['Twm Siôn Cati'] in 1601 from the works of Caradawc Nant Garfan and Ieuan Brechfa and copied [by Edward Williams] from a volume belonging to the Reverend Mr. Richards of Llanegwad [co. Carmarthen] then on loan to Rys Thomas, printer, and the Reverend Mr. Walters of Pont Faen, Glamorgan (see the notes at the beginning and end of the series on p. 133 and p. 202). This is the series of triads generally known as 'The Third Series of Trioedd Ynys Prydain' the text of which was published in The Myvyrian Archaiology of Wales . . ., vol. II, 1801, pp. 57-75. (continued)

Other items in the volume include a note on the development of 'These Triades' [i.e. the Trioedd Ynys Prydain] (125), an incomplete list headed 'Pedwar Cerddawr Graddawl' (126), a note on the composition of a barony or manor (131), a list of the twenty-four knights of King Arthur's court ('Llyma enwau y pedwar marchog ar hugain a fuant gynteifion y Ford Gron gydag Arthur ymherawdr Ynys Prydain yng Nghaerllion ar wysg (o Lyfr Twm o'r Nant, 1799)') (209-14), further triads including 'Trioedd Barddas' and 'Trioedd yr Ellyllion A wnelynt Ryfeddodau a gwyrthiau . . .' (217-18, 221-2, 229-38, 241-3, 246-7, 258-65, 272, 283-5), lists Of 'y saith gelfyddyd wladaidd' and 'y saith gelfyddyd ddinesig' (219), an English translation of triads 1 and 2 of 'Trioedd Ynys Prydain' (222-3), a further list of King Arthur's knights ('Pedwar marchog ar hugain oedd [yn] llys Arthur ac arnynt gyneddfau naturiol o orchest bob un mwy nog ar arall . . .') (225-7), an anecdote relating how Papists set fire to the house and outbuildings of Dr. William Morgan, incumbent of Llanraiadr ym Mochnant, in an attempt to prevent him proceeding with his task of translating the Bible into Welsh extracted allegedly 'o Lyfr Dyddgof y Parchedig Evan Evans y Prydydd Hir . . .' (254), a sketch plan relating to a furnace and forge (270-71), a short Welsh - English word list (278), a list of 'Dewis bethau Gwion Bach' (283), notes relating to the development of Welsh strict-metre systems or schemes (291), notes relating to the so-called 'Moelmutian' triads and laws (293-300, and ? 309-12), and transcripts of, or extracts from, miscellaneous Welsh strict- and free-metre poems including stanzas, etc., attributed to Gryfydd Gruc, Rhys Tyganwy, D[afydd] ap Edmund, Gwawdrydd, Sir Thomas Jones (circa 1600), D[afydd] ab Gwilym, and Gwion Bach (219-20, 227-8, 253, 257, 279-82). In one instance notes have been written on the dorse of a printed leaflet containing proposals for publishing 'A Welsh Paraphrase on St. Matthew's Gospel or a Translation of Dr. Clarke's Paraphrase . . .' by the Rev. Richard Jones, curate of Ruthin, in 1799, and in another on the dorse of a printed leaflet announcing the printing of Edward Williams's two volumes of English verse Poems Lyric and Pastoral.

A volume containing miscellaneous items in the hand of Edward Williams ('Iolo Morganwg'). The contents, pagination in brackets, include a copy of an anecdote relating to the struggle between Caradawc ap Bran ap Llyr and the Romans and the building by Manawydan ap Llyr, his uncle, from the bones of those slain in the struggle, of a prison called 'Carchar Oeth ac Annoeth', all allegedly extracted from [a manuscript called] the 'Yniales' ( i-vii; for the Welsh text see Iolo Manuscripts, pp. 185-7, and for an English translation ibid., PP-pp. 597-600; for the 'Yniales' see TLLM, sub nomine in index); a transcript, with revision of orthography, by [Edward Williams] 'Iolo Morganwg' of f. 9 and part of f. 10 recto of Llanover MS B 15 now NLW MS 13074D, ff. 9 recto-14 verso of which contain extracts from, and abstracts of sections of, a text of the version of the Welsh chronicle 'Brut y Tywysogion' known as 'Brenhinedd y Saeson' in the hand of Robert Vaughan of Hengwrt, co. Merioneth (xvii + 1-8; see NLW MS 13074D above); two lists of the sons of Seithinin, Brenin Cantref y Gwaelod, and Ithael Hael, and miscellaneous memoranda relating to Macsen Wledig, Cantre'r Gwaelod, Gwilym ap Gruff[udd of Penrhyn, co. Caernarvon, ob. 1431] and his son W[illia]m Gruff[udd], Urban, bishop of Landaff, early twelfth century, etc. (15-17); miscellaneous couplets, stanzas, and longer extracts from Welsh strict- and free-metre poems some unattributed and some attributed to G. Hiraethog, Llawdden, Siôn Brwynog, Rob[er]t Daf[ydd] Llwyd of Crymlyn, co. Anglesey, and Dicc Hughes, a short list of 'Prydyddion y Carolau yn Llyfr Mr. Davies o Fangor', brief notes relating to Rich[ar]d Huws, equerry to Queen Elizabeth and poet, and Siôn Brwynog, two triads, etc. (18-26); a chronicle of events in Wales, 1405-1417, connected with the revolt of Owain [Glyndwr] extracted from 'Loose paper[s] of Evan Evans at Mr. Panton's, Anglesea' (27-8; for the Welsh text see Iolo Manuscripts, pp. 67-8, and for an English translation, ibid., pp. 453- 5); a chronicle of historical events, natural phenomena, etc., mainly in Welsh and British history, A.D. 55 - A.D. 453, allegedly from 'Llyfr Watkin Pywel o Ben y Fai o Lyfr Caradawc Llancarfan' (29-38; for the Welsh text see Iolo Manuscripts, pp. 40-45, and for an English translation, ibid ., pp. 417-23); brief notes relating to Dyfnwal ap Dyfnwallawn, king of the North, King Edmwnd, and Prince Llywelyn ap Sissyllt in 877, and a brief note on the seizure of Gower in 966 by Einion ab Owain (41); incomplete notes relating to a feast at Castell Nedd in 1087 organised by Rhys ap Tewdwr and attended by Iestin ap Gwrgan (45-6); notes denoting the number of years between specified events or periods in time relating mainly to Britain and often involving mythological or pseudo-historical figures (e.g. from the coming of the Romans to Britain to the birth of Christ = 54 years, from the time of Beli Mawr, king of Britain, to the coming of the Romans = 75 years) (49-51); notes relating to figures such as Hu Gadarn, Prydain ap Aedd Mawr, and Beli Mawr and the dating of events from their time (57-8); notes denoting the length of various periods or epochs in early British and Welsh history up to the tenth century (e.g. from the time of Llyr Llwyd to the time of Prydain ab Aedd Mawr = 287 years, from the time of Prydain to that of Dyfnwal Moelmud = 29 years, etc .), the majority of the rulers whose reigns are noted as marking the beginning or end of a period being legendary kings, and a few, such as Rhodri Mawr and Hywel [Dda], historical, together with brief notes on events connected with some of the reigns noted (61-6; for the Welsh text see Iolo Manuscripts, pp. 36-40, and for an English translation, ibid., pp. 412-17); miscellaneous genealogical data relating to, inter alios, the Gawntlo family of Tregawntlo [co. Glamorgan], Robert Rhaglan of Llanilltud fawr, Tudur Aled, Iolo Goch, Risiart Davies, bishop of St. David's, and descendants of Ednyfed Fychan and Einion ap Collwyn, mentioning as sources 'Llyfr Tew Watcin Williams o Langanna', 'Llyfr Twm o'r Nant', 'Hafod MS.', 'Llyfr G. Hiraethog', and 'Llyfr Mr. Vaughan' (71-4, 81-5, 91); an extract [from a Panton MS] relating to the codification of the [Welsh] laws [by Hywel Dda] and instructions to Blegywryd to reduce them to writing (95; for the Welsh text see Iolo Manuscripts, p. 87, and for an English translation, ibid., pp. 478-9); (continued)

Notes relating to Einiawn Offeiriad, his son Thomas, and his grandson Hopkin ap Thomas, attributing to Thomas 'Llyfr y Greal' and 'Llyfr y Mebinogi', and to Hopkin 'Marwnad D[afydd ap] G[wilym]' and 'Yr Yniales', etc. (96-7; see TLLM, tt. 9-14 and other references sub nominis in index thereto); genealogical miscellanea ? from 'Llyfr Llanganna' (103-05); genealogical data relating mainly to South Wales (107-21); a list of the names of one hundred and ten kings [of Britain] from the time of Brytys to the time of Cydwaladr (listed as No. 108) with Henry VII and Henry VIII added as Nos. 109-10 (122-4); a genealogy tracing the descent of Henry VIII from Adam (125-6); references to the poets Gwynfardd Brycheiniog and Madawc ap Gwallter and an anecdote relating to the seizure of Taliesin Ben Beirdd by Irish pirates, his escape, and his service at the courts of Urien Rheged, Gwyddno Garanhir, and King Arthur (131-3); an anecdote relating to an Irish raid on the coast of South Wales, the capture of Saint Patric from Bangor Dewdws, and the saint's subsequent conversion of the Irish, etc. (133); transcripts of a fifty-seven stanza free-metre poem entitled 'Cân i'r Ffanaticiaid' allegedly written by an Anglican clergyman ('offeiriad eglwysig', see stanza fifty-six) in the year 1629 (see stanza fifty-seven), the present copy said to be 'o Lyfr Joseph Jones, Hoeliwr o Gaerdyf', a forty-three stanza free-metre poem entitled 'Cân i'r Gau broffwydi' allegedly written by Morgan Siencin of the village of Tresigin [near Llantwit Major, co. Glamorgan] (see stanzas forty and forty-one) in 1643 (see stanza forty-two ), the present copy said to be from the same source as the preceding poem, and a 'cywydd' entitled 'Cywydd y ffanaticiaid' or 'Cywydd cwyn Eglwys Loeger a Sen i'r Ailfedyddwyr a'r Iddewon difedydd' allegedly written by Edward Dafydd of Margam circa 1645 (135-63; for the text of the third poem see Cymru, cyf. XXI, tt. 218-19, and Seren Gomer, 1902, tt. 169-72; these three poems deal with the Puritans in South Wales in the first half of the seventeenth century and for an analysis of their contents, etc., with the opinion that they are partly, if not entirely, the creation of Edward Williams, 'Iolo Morganwg', himself, see IM, tt. 254-63, and TLLM, t. 128; for the 'cywydd' see also Thomas Richards: Religious Developments in Wales, 1654-62, pp. 188-91); a transcript of a twelve-line 'Epitaph uppon ould Dotard Wroth' [? William Wroth, Puritan, cleric, 1576-1641], being a slightly variant version of the same poem to be found in NLW MS 13072B (Llanover B. 12), p. 155 (164); a transcript of two 'englynion' attributed to Jenkin Richards being a slightly variant version of the two 'englynion' on p. 155 of the aforesaid NLW MS 13072B (164); a transcript of four 'Englynion I Hopcin y Pengrwn bregethwr' attributed to Jenkin Richards these again being slightly variant versions of 'englynion' found on pp. 148 + 170 of NLW MS 13072B (165); a transcript of a series of eight unattributed 'englynion' headed '1648' (166); excerpts from, or transcripts of, poems by, or attributed to, Aneurin, Taliesin, Llywarch Hen, Myrddin, Dafydd Benwyn, Sim[wnt] Fychan, Tudur Aled, Elaeth, Philip Brydydd, Gruff. Grug, Prydydd Bychan Deheubarth, H[ywel] ab O[wain] Gwynedd, William Middleton, Gwalchmai, P[rydydd y] moch, Cyndd[elw], Iorwerth Fynglwyd, Mabwaith Hengrys o Ial, Ieuan ap Rhydderch ap Ieuan Llwyd 'o Enau'r Glynn yn Sir Aberteifi', Dafydd y Coed, Edward Dafydd, Dafydd Llwyd Mathew, Gwilym Tew, Dafydd Ddu, Wiliam Egwag (sic), Y Cwtta Cyfarwydd, Iolo Goch, and Rhys Nanmor, extracts from 'Englynion y Beddau' [ from the Black Book of Carmarthen], etc., ? to exemplify poetic metres or metrical patterns (167-220); four lists containing names of persons or names or locations of property and headed 'Depopulation St. Athan', 'Houses at present in St. [Athan] Parish', 'Flimston in ruins', and 'Houses at Present [? in Flimston]', and comments on depopulation in the Boverton and Lantwit area [co. Glamorgan] (233-8); transcripts of free-metre unattributed Welsh verse including traditional 'hen benillion', and of two unattributed 'englynion' (241-54); a note on Twm Bach or Thos. Pritchard of Coyty [co. Glamorgan], 'the Orpheus of his age', ob. 1597, with a transcript of an 'englyn' to him allegedly written jointly by Hugh Griffith and Rhys Cain (255); (continued)

A list of the twenty-four Welsh strict poetical metres with English equivalents of the Welsh names (256); a collection of free-metre verse under the general designation 'Pennillion Sathredig Ym Morganwg', a few of the stanzas being attributed to Edward Matthew of Llangrallo [co. Glamorgan], grandfather of Edward Williams (see IM, tt. 87-8), 'Dau lengcyn o Ystrad Dyfodwg', Wm. o'r Ydwal, Llywelyn ab Ifan, and Siencyn Lygad Rhawlin (257-306; included are stanzas on p.293 subsequently associated with the name of Wil Hopcin for which see TLLM, tt. 251-9); transcripts of 'englynion' attributed to Dafydd Nicolas, Edward Evan, Dafydd Thomas, Lewys Hopkin, Thos. Williams 'o Bont y Ty Pridd', and Taliesin ab Iolo Morganwg, the one attributed to the last named being in English (317-20); notes relating to coal strata in certain locations in Glamorgan (321-2); extracts, etc., from the English Old and New Testament (331-5); miscellanea including a stanza of English verse by E[dward] W[illiams], a list of the titles of twelve English poems headed 'Pieces by E[dward] Wms. in a MS. which Anstey took', a brief list of Welsh proverbs, references to the death of Edmund Prys, Essex Chapel, and the London Unitarian Society, etc. (337-41); a copy of the inscription on the tomb of Lydia Phell, ob. 11699, in the Quakers' Yard near Newbridge, co. Glamorgan, with a description of the said Yard and a note on its connection with the Quakers (344, 354); lists of Welsh words and expressions (346, 351-2, 357, 359, 366, 383-6); a copy of an 'englyn' by [ Edward Williams] 'Iolo Morganwg' (347); transcripts of free-metre stanzas attributed to Rhys Hywel Lewys 'o'r Faenor' and 'englynion' attributed to Edward Evan alias Iorwerth ap loan (348-9, 351); a copy of a declaration dated at Carmarthen, August 1801, in which the persons who had subscribed (fifteen signatures including that of [Edward Williams] 'Iolo Morganwg' are reproduced) declared their intention of forming a religious society to be known as 'Cymdeithas Undodiaid Gristnogol Deheubarth Cymru (The South Wales Christian Unitarian Society)' (350); extracts from the Bristol Mercury, August 1816, re the death of Jane Miles of Swansea aged 106 and the fall of an aerolite near Glastonbury (354); three stanzas of English verse copied from 'Moore's Sacred Melodies' (356); a transcript of a stanza of Welsh verse attributed to Thos. Dafydd Meils, Dyffryn Aberdar, a brief extract from [George] Crabbe's poem '[The] Borough', a copy of the title-page of J[eremiah] Joyce: The Subserviency of Free Enquiry . . . (1816), a list headed 'Errata in Salmau I.M.', an extract from Baldwin's Journal, December 1806, etc. (360-63); extracts on poetry from 'Joyce and Carpenter's Systematic Education, vol. I', and brief notes headed 'Welsh Literary Dialect and Style' (367-8); sketches of, and brief notes relating to, an inscribed stone on Margam mountain and another in the tower of Llanelldeyrn chapel [co. Glamorgan] (369-71); brief notes relating to the traditional boundaries of Morgannwg and Gwent (371-2); a historical note relating to the orthography of the Welsh language (373); notes stressing the importance of preserving the orthography of ancient manuscripts and printed books when reproducing them 'in written transcripts or in printed copies' and deprecating William Owen [Pughe]'s orthographical innovations ( 374-5); notes referring to the 'MS. Tract' relating to the regulations for musicians associated with the 'Glyn Achlach musical sessions' circa 11098, the possible Italian influence on the music of the time of Gruffudd ap Cynan, and the place of the harp and 'crwth' in Welsh musical and bardic tradition, with adverse comments on the ideas of 'Humstrum Ned' [? Edward Jones, 'Bardd y Brenin'], etc. (377-811); notes criticising the theories that the Druids had inhabited caves or underground dens (382); a list of sayings headed 'Welsh proverbial Piety Glam.' (402); extracts from the parish register of the parish of Lanmaes [co. Glamorgan], late 16th-18th cent. (407-22); a list headed 'Enwau Rhai a fuant fyw yn hen iawn ym Morganwg' containing the names of, or copies of memorial inscriptions to, persons in Glamorgan who, from the period of the saints to the nineteenth century, had lived to be octogenarians, nonagenarians, or centenarians ( 425-31; a few items added by Taliesin Williams); an anecdote relating to an old man from Glamorgan whose mare had been stolen by [Oliver] Cromwell's soldiers (434 this appears to be in the hand of Taliesin Williams); further examples of, or notes relating to, instances of longevity in Glamorgan (435-9); two brief lists headed 'Dynion hynod am rym Corph ym Morganwg' (two items added in the hand of Taliesin Williams) and 'Hynod am ysmalhewch'’ (440); a list of ? Glamorgan bards, 15th-18th cent. (441 + 444 ); extracts from Brown Willis: Survey of the Cathedral Church of Landaff relating to Dubricius, bishop of Landaff, ob. 522, Herewald, bishop of Landaff, ob. 1113, and Edward Davies, rector of St. Brides, ob. 1672, all three being examples of longevity (445-6); a copy of a Latin memorial inscription to the Reverend Edward Pritchard, rector of the parish of Flimston [co. Glamorgan], ob. 1742, in the parish church, with notes and anecdotes relating to him (447-50; see IM, tt. 97-8); and further notes relating to, and names of, nonagenarians and centenarians ? all of Glamorgan (451-4, 465-71; one additional note m the hand of Taliesin Williams).

A volume containing notes of a very miscellaneous nature in the hand of Edward Williams ('Iolo Morganwg') except for a few pages in the hand of Taliesin Williams, his son. Included, pagination in brackets, are a brief note relating to the 'short and simple and thence natural account of the Welsh Saints' and a reference to the possibility of the existence of documents relating to 'British Ecclesiastic history' at the Vatican (1); notes headed 'Llyma Enwau Swrn o Wyr Enwogion o Genedl y Cymry . . .' being notes on figures of Welsh mythology presumably extracted (see note on p. 5) from Welsh School Collection MS No. 43 ( listed as missing when the Welsh School Collection was presented to the British Museum in 1844, see B.M. Additional MS 14955) (7-12); genealogical and historical or pseudo-historical data relating to Welsh saints or reputed saints, notes relating to figures such as Macsen Wledig, Seithenin Frenin, and Meyric, Brenin Dyfed, lists of the children of Caw o Dwr Celyn, Brychan Brycheiniawc, and Seithenin ab Seithin, etc. (21-37); a brief note relating to the bardic brothers Cynfrig and Ieuan ap Gronw, and the son, grandson, and great-grandson of the said Ieuan, all being bards ( 57); notes relating to Urnach Wyddel, who led twenty thousand 'Gwyddelod' into Gwynedd, and his sons Syrigi and Daronwy (58); brief notes on Arianrod ferch Don, Ugnach Wyddel and his son Culfardd, Cadvan ap Eneas, Cadvan ap Iago, and Cadwallon ap Cadvan (59); an incomplete list headed 'Mythological characters ex Cambrian Biography' (61-2); genealogical data tracing the descent in direct line of figures such as Coel Godebawc, Bleddyn ap Cynfyn, Gruffudd ap Cynan, Maxen Wledig, Iestin ap Gwrgan, Cynedda Wledig, Cadell Deyrnllwg, Llywarch Hen, etc., and a list of the children of the last-named (65-71); a note relating to 'Saer Wyddel o Gor Illtyd' (71-2); notes relating to Hywel Dda, his establishing of the privileged 'pymtheg llwyth' in Gwynedd and the 'pedair gwelygordd ar hugain' in Pywys, and his instructions for the keeping of records of genealogies, etc., in Gwynedd and Pywys (72-3); a brief genealogy tracing the direct descent of Elystan Glodrydd from Beli Mawr and brief notes on the sons of Cynfarch ap Meirchion (78); a brief genealogy giving the lineal ancestors and descendants of Gruffudd Gwyr (80); variant lists of the names of the children of y Caw Cawllog or Caw o Brydyn with brief notes thereon (81-3); miscellanea including a list of the names of the seven bishops who debated with 'Awstin, Escob y Saeson, ar lann Hafren' (? St. Augustine), a brief note on [the monastery of] Bangor is y coed, a list of the sons of Goronwy o Wareddawc, a list of ? saints linked with specific areas, a note relating to Saint Illtud, a list of saints associated with Morgannwg and Gwent, other lists, and miscellaneous data (83-8); a copy of an inscription relating to the contents and the compiler of 'Llyfr Twrog' (89); a list of thirteen saints with the locations of churches or cells founded by them and occasional additional data relating thereto (93-5); a list of the names of five of the children of Brychan (98 ); a list of names of saints with the locations of cells founded by them or of ? their sphere of activity (99-100); a list of ten Welsh manuscript or printed volumes (e.g. 'Salmau Capten Middleton yn ysgrifenedig', 'Egluryn Ffraethineb yn ysgrifenedig', 'Salmau Middleton - Print') headed 'Ystrad Meyryg 1799' and followed by a note stating that when the compiler of the list visited [Ystrad meurig] three years later the last item on the list was missing (101); three bardic triads 'o Ramadeg Simwnt Fychan' (102 ); an incomplete list of triads headed 'Trioedd a ddangoswyd yng Nghadair Garth Moelwg gan Willim ap leuan Hen a elwir Gwilym Tew Brydydd o Dir Iarll' (103-04); notes, sometimes date of death only, or anecdotes relating to forty-four persons who flourished from the ?first to the seventeenth century, e.g. Constantine the Great, St. David, St. Patrick, Geoff[rey] of Monmouth, Syr Rhys ab Thomas [ob. 1525], Richard Nevil, earl of Warwick, ob. 1471, Dav[id] Jenkins of Hensol [co. Glamorgan], and Sir Edw[ard] Carne of Weny, co. Glamorgan [ob. 1561], and to one family, viz. the Morgans of Pencarn, Monmouthshire (109-19); a note relating to, and brief extracts from, 'Llyfr Twrog' (121-3); brief extracts relating to 'Pair Cariadwen', 'Pair Ogyrfan Gawr', and 'Pair Dadeni', with an extract from the work of Cynddelw and a transcript of an 'englyn' attributed to Casnodyn illustrative of the word 'pair / peir' (129-30); notes relating to Saint Illtud, the monastery and school founded at Llanilltud, and the abbots of the said monastery, all under the superscription 'July 19th 1729. The Antiquities of Lantwit Major, Com. Glamorgan' and being allegedly transcribed by Edward Williams from a manuscript account compiled by David Nicholls in 1729 (see also NLW MSS 13114B, 13116B above) (149-70); a list of the abbots of the monastery at Lantwit [Major] compiled from the account given on pp. 149-70 with brief general comments relating thereto ( 171-3); (continued)

Notes relating to a field called 'the Halls hay' which, according to the aforementioned Mr. Nicholls and tradition, was the site of the old abbey, the stones of the new church possibly taken from ruins unearthed at Halls hay, the town hall, the tithe barn, the granary of the tithe barn 'said to have been the Gate of the Monastery', the rectory house, the 'Chantery house', and abbot's rents in the aforesaid town and parish of Lantwit Major (174-8); a list of old Welsh words (179); a list of Welsh manuscripts headed 'Llyfrau Tho. Edwards, Dinbych' (197-8); a list of eight 'Welsh MSS. with Revd. Richd. Davies at Bangor' (199); extracts from 'Vol. 63. P.P.' [i.e. Paul Panton MS No. 63 now NLW MS 2029B, of which see ff. 90 verso-92 recto] relating to the location of certain Welsh manuscripts (200); very brief notes referring to some of the items to be found in some of the 'MSS. at Mr. Panton' [i.e. the Panton MSS now NLW MSS 1970- 2068] (201-02); a transcript of the beginning of the tale of Einion ap Gwalchmai and Rhiain y Glasgoed (209); a list of Welsh words with English definitions or comments thereon (210-11); a short list of Welsh words or phrases and a bardic triad (212); extracts from poems attributed to Gutto' r Glynn (215); lists of compound Welsh words containing instances of D + D or D + T > TT as in 'Cyttun < Cyd-dynn', of D > T 'when preceding G', etc. (217-19); copies of memorial inscriptions in the churches of Penarth and Landough [juxta] Penarth [co. Glamorgan] (220-25; in the hand of Tal[ies] in Williams); brief extracts from 'Llyfr Siôn Hywel Gwynn' defining the terms 'Alban Elfed', 'Alban Arthan', 'Alban Eilir', and 'Alban Hefin' and the three divisions of the year (226); miscellaneous jottings including an extract from The Independent Whig, 25 December 1808, a brief genealogical note referring to Thos. Vaughan of Hergest [co. Hereford, ob. 1469], his son and grandson, and a copy of the inscription on the tomb of the Reverend Edward Gamage, ob. 1734, in St. Athan's churchyard [co. Glamorgan ] (229-30); a brief note on Nicholas ap Gwrgant, bishop of Landaff in 1149, extracted from Brown Willis [: A Survey of the Cathedral Church of Landaff ], etc. (232); a note referring to the establishing of the bardic 'Cadair Tir Iarll' by Robert, son-in-law of Rhobert ab Ammon [late 11th cent.] (233); a short list of Welsh proverbs with English translations of some (234); two groups of Welsh words the first exemplifying 'Deudneudian mutilation' and the second 'Diphthongs with a diaresis' (235); a brief note on the poet Robert Langland, fl. 1369, and a list containing the names of three Glamorgan centenarians who were alive in 1812 and of one who had died in 1809 (237); a transcript of five 'englynion' attributed to John Miles of Pencoed, Llanilid [co. Glamorgan], 1812 (238); extracts from certain clauses of the 'New Toleration Act finally passed July 29th 1812' [ i.e. 'Places of Religious Worship Act, 1812'] (239-40); miscellaneous genealogical data relating to South Wales (245-51); genealogical data centred on the poet Dafydd Llwyd ap Llywelyn ap Gruffydd of Mathafarn [co. Montgomery] (253); the words and music of a song headed 'Irish song in the Register office by Mr. Moody' (254 + 259); transcripts of strict-metre stanzas attributed to Risiart Twrbil and Dafydd Benwyn (255); an extract from '?Mrs. Robinson's Monody to the memory of the Queen of France', etc. (256-7); an incomplete list (two names only) of 'Subscribers to Poems by E[dward] W[illiams], 2nd edit., 1813' (258); brief genealogical notes centred upon Ifor Petti [Ifor Bach, fl. 1158] of Seinghenydd [co. Glamorgan] (258); five stanzas of Welsh religious verse (260); brief notes headed 'Glamorgan 1806' containing brief observations on the progress of the wheat crops and the abundance of sainfoin 'in the Vale', 1-11 June, and on the soil, the amount of clover, and wychelms, etc., in the 'Vale of Miskin', and a copy of an inscription at Llanelldeyrn (271-2); a copy of an inscription 'On the Tomb of Monce de Lundres in the Abbey Church of Ewenny' (273); miscellanea including a note on the budding and flowering of trees and privets in the St. Athan area, April 1809, and on the comparative lightness of snowfalls in the southern part of the Vale of Glamorgan in the winter of 1808-1809, and extracts from 'Baldwin's London and Weekly Journal' relating to a storm in the London area in May 1809 and a snowstorm in the ? Bath area in April 1809 with notes contrasting conditions in Glamorgan on the same dates (274-5); a list of ? market towns in Glamorgan, 1809 (276); medicinal recipes (277-8); brief notes on the countryside between Landaff and Llantrisent [co. Glamorgan], 23 June 1810 (279); extracts from 'Bald[win's] Journal', July 1809, and [Anthony Florian Madinger] Willich: The Domestic Encyclopaedia [London, 1802] (281- 3); incomplete lists of 'cromlechau', tumuli, [stone] circles, and ruined chapels in co. Glamorgan (285-90); notes relating to the Lantwit Vairdre and Newbridge areas [of co. Glamorgan] (291-5); two examples of rotations of crops ? practised in Glamorgan (296); notes on the crossing of breeds of sheep in Glamorgan (302); brief notes ? from Dugdale's Baronage relating to Roger Mortimer of Chirk [ob. 1326], William Zouch of Mortimer [ob. 1337], and Hugh, earl of Chester, late 11th cent. (307-08); a list of Welsh words headed 'Deudneudiaith' (315); a transcript of a stanza of Welsh verse attributed to Guttyn . . . Gnwppa, two triads, a copy of an 'englyn' by [Edward Williams] 'Iolo Morganwg', a formula for making ink, and an extract from a 'cywydd' attributed to T[udur] Aled (317); an account of Wiliam Dafydd Powel Ierwerth of the parish of Tre Gaian, co. Anglesey, ob. 1582, and his forty-three children (318-19); a tale relating to two families from Gwern Howel near Ysbytty and Rhyd y creue or Cil cenys [? co. Denbigh] (319-21); transcripts of two three-line stanzas of Welsh verse attributed to Ddd. Thomas, circa 1600, and one stanza of a Welsh carol (321); copies of eleven stanzas of Welsh verse headed 'o hen garol ar Salm 130' and two further stanzas headed 'Llyma ddechreu'r carol rhagflaeniedig. Y De profundis. Psalm 130' (322-4); brief notes relating to events in Wales and Ireland, 1648-9, based on or extracted from [John] Banks [: A Short Critical Review of the Political] Life of Oliver Cromwell [1739] (325-7); and other miscellanea.

A volume written by Edward Williams, 'Iolo Morganwg', and containing a copy of 'Cyfrinach Beirdd Ynys Prydain' which is very similar to, but not identical with, the text published in 1829, pp. 1-171 (cf. I. A. Williams MS 33A). On the outside of the cover are the words 'Cyfrinach Beirdd Ynys Prydain, (?) 1470, Rhol I . . .', and sewn in at the beginning are draft proposals for printing the work ('Cynnygiad i argraphu drwy gynhorthwy, Cyfrinach Beirdd Ynys Prydain . . .'). The pages now numbered [v-viii] were written after the main body of the manuscript and contain a note concerning Sir Richard Bassett and his descendants, a list of 'Cyhydeddau Sion Dafydd Rhys', 'Cyhydeddau Simwnt Fychan', and 'Colofnau Cerdd Dafod', and a title-page for the edition of 'Cyfrinach Beirdd Ynys Prydain' which was to have appeared in 1822; there are some later additions and interlineations elsewhere also in the volume. Both black ink and red ink have been used in the manuscript and pasted on to p. [x] is a line-engraving described as 'Y Coronog Faban' with the following note by Iolo Morganwg: 'Mr. Basire - "Too Good to have been by any known artist but Albert Durer", it is says he a "wood cut". Inside the back cover is a list, with page references, headed 'Rhai o'r Cynhwysiadau.'