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An imperfect and badly mutilated volume containing sermons, some of which are transcribed from Edward James: Pregethau a osodwyd allan trwy awdurdod i'w darllein vmhob Eglwys blwyf ... (Llundain, 1606); proverbial sayings, triads and short tabular texts, many probably extracted from Robert Lloyd: Llwybr hyffordd yn cyfarwyddo yr anghyfarwydd i'r Nefoedd (Llundain, 1630) e.g. 'Wyth o arwyddion ansomedig o Iechydwrieth', '... arwyddion o ddamnadigaeth [sic] .... naw arwydd ... o golledigaeth dyn', 'Achosion seguryd ...', 'Naw o fariav i gav allan or nefoedd a naw porth i fyned i vffern', 'Naw ystyrieth buddiol', 'Geiriau gwir Taliesn [sic]', 'Attebion y seithwyr doethion yw gilydd ... ', '12 pwnc cas gyn dduw ar neb ai gwnelo', 'Pedwar peth a ddyle pob dyn i myfyrio ...', 'Naw arwydd o enaid holliach', 'Wyth arwydd St Peter o Iechvdwrieth', 'Saith o arwyddion difregusaf ag ansomedigaf [sic]', 'chwe pheth sydd gas gyn yr Arglwydd... ', etc.; 'cywyddau' by [William Midleton], Doctor John Cent and William Llyn; 'cerddi' by [Rhys Prichard] 'Viccar Llanymddyfri', Rowlant Vaughan and William Philip, and anonymous and imperfect 'cerddi'; and 'Emyn Ambros ag Awstin yr hwn a elwyr te Deum ag a g[yfiei]thiwyd yn gymraeg gan Ddafydd Ddv o Hiraddig ... '.

An imperfect, seventeenth century manuscript. Pp. 1-160 and 165-232 contain a collection of Welsh free- and strict-metre poems (medieval to seventeenth century) including poems by Howell Thomas Dauid, Jenk[in] Richard, William Jenkin, Giles ap John, David Du Hir Addig, Charles Thomas, Robert Lia, Rys Goch 'o Fochgoron', John Kent, John Jones, Rich. Watkins, clerk, John Tydyr, Rhys Parri, Dafydd Llwyd Mathey, Hugo Dauids, vicarius, Tho. Lewis, Charles Jones, Mredyth ap Rosser, Res Brychan, Ievan Rhydd, Dafydd ap Gwilim, Ioroth Fyngllwyd, Lln. ap Ho. ap Ivan ap Gronow, Hugh Dafydd (? the same as Hugo Dauids, vicarius, above), Bedo ap Phe. Bach, Dafydd ap Edmond, Iolo Goch, Lln. ap Howell, Howel Swrdwal, Tydyr Aled, Hyw Penmal, and Edward Dafydd (the seventeenth century poet concerning whose identity see TLLM, tt. 96-100, and, for a different opinion, IM, t. 260 and R. Geraint Gruffydd: 'Awdl Wrthryfelgar gan Edward Dafydd', Llên Cymru, cyf. V, tt. 155-63, and cyf. VIII, tt. 65-9). Intermingled with the Welsh poems are a few English items including religious verse by Richard Morgan, clerk, alias Sir Richard y Fwyalchen, and an anonymous poem entitled 'An Epitaph vppon ould dotard Wroth' [? William Wroth, Puritan cleric]. Pp. 161-3 and possibly part of p. 159 contain a record of payments or contributions by an unspecified person or persons, 1643-1646, in connection with the maintenance of royalist forces in co. Monmouth. These include contributions towards the garrisons at Monmoth, Raggland, Colbroock, and Abergev[eny], and towards the cost of provisions, weapons, etc. The volume is referred to as 'Llyfr Jenkin Richard(s)' and this is the Jenkin Richard(s) of Blaenau Gwent whose own poems form part of the text (see IMCY, tt. 82, 176; IM., tt. 257-8, 259-60; TLLM, t. 100; and Llên Cymru, cyf. III, t. 98). In TLLM., tt. 97, 100, poems by Edward Dafydd are said to be in the poet's own hand, but R. Geraint Gruffydd in Llên Cymru, cyf. V, t. 158 infers that the whole volume is in the hand of the aforementioned Jenkin Richard(s).

An imperfect manuscript, the greater part of the volume being written in one hand of the ? late sixteenth century. The contents include transcripts of Welsh poems in strict and free metres including poems by Siôn y Kent, Davydd Meifod, Ieuan Kydweli, Davydd aprys 'o Veni', Davydd ab Edmwnt, Lewys y Glyn, Lle'n ap Howel, Phylip Ievan 'o Drerydynok', Ieuan Tew, Iolho Gogh, Davydd ap Glm., Ieuan Duy ap Dd. ap Owen, Howel Dauid ap Ieuan aprys, William Meredith, Ievan aprydderch ab Ieuan Llwyd, Hwel Swrdwal, Ifan Daylwyn, Hyw Karllwyd, Mr. Talhai, 'vickar llangadoc vawr', Tomas Derllys, Dd. Nawmor, Lewys Glynn Kothi, Taliesin Benbeirdd, Siôn Davydd, gwndidwr, Llywelyn ap Gwilim Llygliw, Daio Lliwel, Ieuan ap Rys ap Ll'n, Rys aparri, Syr Dauydd Llwyd, Thomas Brwynllis, Rys Duy, and Dd. Ddy Hiraddi[g]; transcripts of prose items with the following headings or incipits - '[ll]ymma saith llywenydd mayr vorwyn', 'llymma y pymp llywenydd y gafas mayr vorwyn am y mab', 'llymma gynghorau Kattwn ddoe[th ]', 'llymma enway y naw gogyfyr', 'llymma gymmraeg o waith Iolho gogh', 'llymma y saith kwestiwn y vy rwng y saithwyr doythion', 'llymma bymp pryder . . . meyr vorwyn o achos y mab', 'llymma y dec prif dri arbennic val y may Taliessin . . yn dywedyd', 'llymma gas ddynion Selyf', '[lly]mma Vychedd y gardawd', 'llymma gynghorau Taliesin yddy vab', 'llymma yr ymrysson . . . yr enaid ar korff', 'Giltas pen proffwydi y Bryttaniait a ddywait . . .', 'llymma gas bethau Owain Kyvailioc', 'llymma beth o gynghorau Kattwn ddoeth ar Bardd glas or gadair', 'llymma Tri achaws arddec y sydd yn dangos paham y mae iawnach ymprydiaid diwgwener no diwarnod arall', 'Gwyl yr hollsaint a gyfoded o dri achos . . .', and 'llyma yr ystori a venic am ystyr y seren wenwynic . . . a elwir seren y kwn'; Welsh triads and aphorisms; etc.

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 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.

A manuscript written, 1674-1676, by Gwilym Pue [Puw], a member of the Roman Catholic family of Puw of Penrhyn Creuddyn, Caernarvonshire [D.W.B. (1959), p. 819] and containing a miscellany of verse and prose, much of it by Gwilym Pue himself. The title is given as 'Opera et Miscellania Domini Gwiliellmi Pue Cambrbrittanni M.B.' and 'Brithwaith Gwillim Pue M.B. Hefyd Gerdd yr un gwr a beirdd ereill Anno 1674: Pump o Garole Mr White, Hefyd Dau Garol o Fûchedd y Santes Gwenfrewy o waith Gwillim Pue 1674 M.B.,' and the volume is similar in content to, but not identical with, NLW MS 4710B, another volume written by Gwilym Pue but slightly later in date (1676). The contents following after 'Cyfrwyddiad y llyfr. Index libri' (to p. 648), a sketch of a harp ('Lyra' 'Telyn') and 'Trefn Cowair Telyn' are briefly as follows: pp. 1-44, 'Deongliad ar y Miserere', and pp. 45-61, 'Deongliad ar y Magnificat', two series of 'cywyddau' by Gwilym Pue; pp. 62-75, more 'cywyddau', by Gwilym Pue; pp. 76-196, 'Awdwley ag Englynnion', and also 'cywyddau' by Morgan Gwynn (Taliarys), Gwilym Pue, Thomas Williams, Edw. Bach o Dreddfyn [sic], Meredydd ap Prosser, Syppyn Cyfailiog, William Egwad, Siôn Cent, Thomas ap Ieuan Prys, Hugh Min, Howel Dafydd, Gruffydd ap Euan llewelyn Vychan, Dafydd ap Gwilym, Edward Turberuille, Thomas llûn, Taliessyn, Siôn Brwynog, Dafydd Ddu Hir Addig [sic], Iuan Tew Brydydd, Ieuan Daylwyn, Howel Da: ab Iuan ap Rhûs, Llewelyn ap Howel ap Ieuan ap Gronw, Gryffyth llwyd ap Da: ap Einion, Dafydd Nam'or, Dafydd ap Edmund, Syr Dai: llwyd Alijs Deio: Scolhaig, Rhus a [sic] Parry, Sieiles ap Siôn, and Twm Siôn Catti Alias Thomas Jones Esqr.; pp. 203-360, 'Prophwydoliaethay, Brudiay a Daroganay Britannaeg a Gasglodd yn Ghûd Gwilym Pue', 1674-1675, attributed to Taliessyn (Fardd), Rhûs Fardd, Merddyn (Merddyn Emrys, Merddyn ap Morfran, Merddyn Wyllt), Dewi Sant, Gronw Ddu o Fôn, Molwngwl Abad, y Bergam, Robin Ddû o Fôn, Dafydd Gorllech, Iolo Goch, Rhys Nammor, Dafydd Nammor, Edward ap Rhys, Llewelyn ap Owain ap Cynric Moel, Rhys llwyd ab Einion llygwy [sic], Llewelyn ap Ednyfed, Ieuan Brydydd Du, Ieuan leia, Rhys Goch or Yri, Ieuan yr offeiriad, Llewelyn ap Mredydd ap Dywydd, Llewelyn Cetifor, Hugh Pennant, Dafydd llwyd llewelyn ab Gryffydd, and Rhys y lashiwr; pp. 365-430, 'Carmen Euangelicum, Cerdd Efangylawl Gwilym Pue, Buchedd yn Arglwydd Iessu Grist. . . 1675' in the form of a series of 'cywyddau'; pp. 452-47 (inverted text), 'Enwey Brenhinoedd Prudain' and 'Twyssogion Cymry'; pp. 453-5, 'Enway Twysogion Cymry A Gadwodd Ei Braint yn ôl Cadwalader Frenin' . . . and 'Enway Y Brenhinoedd Lloegr o Amser y Cwncwerwr o Normandi' in the form of 'englynion' by Gwilym Pue; pp. 457-91 'Caroley Mr Richiard White, Merthyr', five in number, followed by 'Buchedd Gwenfrewy' and other carols by Gwilym Pue, with one by John Jones; pp. 495-514 'Pllaswyr Iessu A Gyfleuthodd Gwilym Pue or Saesnaeg Ir Gymmraeg'; pp. 515-28, 'Erfynnion neu Littaniau Aur; pp. 529-54, '1676, Panegyris Penryniana, Llwyrwis Penrhyn (Mawl Penrhyn) o waith Gwilym Pue; pp. 563-579, 'Achau Gwilym Pue o rann Tad a Mam a Theidiau a Neiniau' followed by 'Achau Ieirll a Marqwezis Caerfrangon', etc.; pp. [583]-618 (recte 608), 'De Sceletyrbbe uel Stomacace or A Traetice of the Scorbut by William Pue Gentelman [sic] gathered oute of Seuerall Authors . . . 1675'; pp. 619 [609]-624, 'Another Discourse of the Scorbute by William Pue Gentleman, 1675'; pp. 625-48, 'Enchiridium Chatechisticum siue Chatechismus pro Pueris Scolaribus' again by Gwilym Pue, in two parts; pp. 649- 60, 'Execitium Quotidianum, Ymarfer Beunyddawl'; and p. [661], 'Gweddi Foreuawl' and 'Gweddi Brud Gosper'. Some of the pages, particularly the headings, have been embellished by Gwilym Pue.

A volume written in several hands of the seventeenth century and containing Welsh poetry mainly of a religious nature in strict and free metre ('cwndidau', 'cywyddau', 'penillion', etc .), a few medical and veterinary recipes, some in English, Welsh triads (f. 33 verso, 'llyma drioedd pawl'), and (ff. 36 verso, 40 verso) two items of religious verse in triplet metre in English. The poets whose work is represented are Thomas Lle'n (Thomas Lle'n Daio Pwel), Lle'n Daio Pwel, Thomas ap Ieuan ap Rys, Siankin Thomas, Gronw Wiliam, Davydd ap Risiart, Howell Siankin, Ieuan ap Rys 'o verthyr kynon', Wiliam Prys, Sion Siankin 'o benllin', Ll'n Sion, Sion(n) y Kent, Thomas Harry Morgan, Rys Goch, Howel Swrdwal, Iolo Goch, Howel D'd ap Ieann [sic] ap Rys, Davydd Ddu Hiraddig, Sion Tydr, Risiart D'd, Rees Pritchard (Rhys Prichard), Watkin Powell, and Jenk: [Richard]. Ff. 42 recto-69 verso contain poetical compositions by Rhys Prichard ['Yr Hen Ficer'], one dated 1616, and someone has supplied page references (in pencil) where possible to [Y Seren Foreu, neu Ganwyll y Cymry. Gan Rhys Pritchard A.M. . . . (Llanymddyfri: Rhys Tomas, 1770)]; there are, however, some differences between the manuscript and the printed text and not all the items in the manuscript are to be found in the printed volume. The handwriting of ff. 73 recto-74 verso is the same as that of NLW MS 13072B and I. A. Williams MS 7 and the contents of these pages relate in part to the year 1660. The last item in the volume is an incomplete copy of a long series of religious 'englynion' according to the letters of the alphabet by [Lewis Glyn Cothi]. There are a few annotations by Edward Williams, 'Iolo Morganwg', and a piece of paper bearing the name 'Taliesin Williams (Ab Iolo)' has been pasted in at the beginning of the volume.

A manuscript containing the 'grammar' of Dafydd Ddu o Hiraddug (fl. before 1400), i.e. his 'llyfr cerddwriaeth' dealing with the structure and art of bardism and verse.
A note on p. 31 records that this manuscript was copied from a book belonging to Wiliam Llŷn (1534 or 5-1580), which had in turn been copied from a book belonging to Dafydd ab Edmwnd (fl. 1450-1490). Cf Mostyn MS 110, Jesus College MS 9, Peniarth MS 62, etc.

A manuscript containing poetry of Bedo Brwynllys, Dafydd ap Gwilym, Guto'r Glyn, Huw Cae Llwyd and others (pp. 1-136, 149-159); a vocabulary (pp. 137-149); Dafydd Ddu [Hiraddug]'s Grammar (pp. 161-198); the statutes of Gruffydd ap Cynan (pp. 199-206 (at the end of this extract is the note 'Dyma y maint a gebhais o'r Statut yn lhybhyr Meistr Sion ap Edward gam o drebh newydd, o blwybh Dewi yn Sir bhracheiniog . 1579 .'); a translation into Welsh of Genesis I (pp. 230-245); Biblical extracts and history (pp. 246-264) (a note on p. 252 records that the Biblical extracts were taken 'o lybhyr Mr Edmond Morgan o Bhedwelhty'); &c. All but pp. 256-259, 265-268 and part of p. 198 are in the autograph of the grammarian Dr John David Rhys (1534-1609); his peculiar orthography begins on p. 13, l. 21. The poetical extracts vary in length from three to fifty lines. The lines selected are not always consecutive; they are even occasionally fragmentary, and many words are explained or glossed. The awdl on p. 256 is in a different but contemporary hand from that of Dr John David Rhys. For p. 265, cf. the text on pp. 22-24, which agrees in part. For the dating of this manuscript see p. 207.
The text printed in Dr John David Rhys's Grammar (London, 1592), pp. 297-298, 301-302, 303 (cols. ii and iii), pp. 300-301, p. 303, col. iv, p. 303, 'Nota', and p. 304 is taken from, respectively, pp. 199-206, 207, 207b, 213, 214, and 224 of this manuscript.

Deunydd perthynol i'r cyhoeddiad Gramadegau'r Penceirddiaid a olygwyd gan G. J. Williams ac E. J. Jones (Caerdydd, 1934), gan gynnwys nifer o adysgrifau a chyfeiriadau at ramadegau mewn llawysgrifau, ynghyd â phapurau'n ymwneud â gramadegau Gutun Owain, Gwilym Tew, Einion Offeiriad a Dafydd Ddu Athro o Hiraddug. Mae rhai o'r papurau yn llaw E. J. Jones.

An imperfect, composite volume (pp. 33-86, two imperfect, unnumbered leaves, pp. 93-146, with p. 72 blank) containing transcripts of Welsh strict-metre verse, mostly in the form of 'cywyddau', by Tudur Aled, William Phylip, Siôn Phylip, Siôn Dafydd Siencin, David ap Gwilim, Owen Gwynedd, William Lleyn, Evan Tew (1590), Ellis Rowland, Tomas Prys ('o Blas Iolyn'), Dafydd ddu ('o hiraddig'), Morys Thomas Howel, Siôn Tudur ('Swyddog Yn perthun i Esgobeth Llan Elwau'), Roger Cyffin, Gwerfil Mechain, Evan ap R. ap Llewellyn, Gutto'r Glyn, Gruffydd Owen, Edward Vrien, Edward ap Rhus, Rhys Cain, Ierwerth Fynglwyd, Rhees ap Ednyfed, Rhydderch ab Evan Llwyd ('Meisdr o ddysg'), Doctor John Cent, Sir David Trefor, Dafydd Evan ab Owen, Dafydd Nanmor, and Gryffydd Gryg. The greater part of the volume was probably transcribed by the Evan William whose name, in his own hand, appears on pp. 62, 83 (1775), and 121. 'Evan Williams, Gardener', referred to in the margin of p. 63 as the owner of the volume in 1779, is possibly the same person.

A transcript, made by John Jones, Gellilyfdy, 1605-1606, of 'Pum Llyfr Kerddwriaeth', attributed to Dafydd Ddu Athro, and of 'Ffugrau a'u Rhannau' by Wiliam Salesbury.

An imperfect volume, the contents consisting of transcripts, in a hand possibly of the first half of the seventeenth century, of Welsh poems being mainly strict-metre poems in the form of 'cywyddau'. These are numbered and, if the manuscript when complete contained the whole sequence, the folios at the beginning containing poems 1-18 and most of poem 19 are now wanting. Many mid-volume and possibly some end folios are also missing. Poems by the following poets are included - Iolo Goch (2), Siôn y Cent (13 ), Siôn Tydyr, Lewys Morgannwg (5), Davydd Epynt, Ieuanap Rydderch ap Ieuan Llwyd (3), Davydd Ddu Hiraddug, Davydd ap Edmwnt (3), Ieuan Brydydd Hir, Davydd Nannmor, Gytto'r Glynn (2), Lewis i Glynn (3), Gryffydd Llwyd ap Davydd ap Enion, Hyw Llvn, Syrr Philip Emlyn, Lle'n ap Howel ap Ieuan ap Gronw (4), William Egwad, Gwilim Tew, Iorwerth Vynglwyd, Howel Swrdwal, Howel Davydd ap Ieuan ap Res (4), Siôn Brwynog, Ievan Tew Brydydd, Thomas Lle'n, Hyw Davi, Rys Goch 'o Vachgarn', Robert Laia, Ieuan Tew Brydydd Ievanc, Risiart ap Rys, Thomas Derllysg (2), Wiliam Cynvol, Siôn Phylib, Edwart ap Rys, Morys ap Howel, Gwyrfyl verch Howel Vychan, and Meredydd ap Rys. One of the poems by Ieuan ap Rydderch contains stanzas in which Latin and Welsh words are intermingled. There are a few marginal entries by Edward Williams ('Iolo Morganwg').

Three copybooks, in the autograph of Evan Evans (Ieuan Fardd), containing a copy of Sir John Price's The Description of Wales (Oxford, 1673) (NLW MS 2017iB); the Officium Beatæ Mariæ in Welsh from a copy made by Dafydd Ddu Hiraddug (NLW MS 2017iiB, pp. 1-30); extracts from the library of Thomas Tanner (NLW MS 2017iiB, pp. 31-43); and material relating to Gerald of Wales taken from John Leland (NLW MS 2017iiiB).

Miscellaneous papers and home-made booklets containing material in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. The contents include pp. 1-10, an incomplete, alphabetical list (A - G only) of the names of Welsh bards with dates (floruit) and occasional notes, allegedly transcribed in the house of [David Thomas] 'Dafydd Ddu o Eryri' at Traeth Coch, Anglesey, in 1799 from a volume previously in the possession of the Reverend Dafydd Elis of Amlwch, Anglesey; 23, notes relating to bardism; 24-5, anecdotes relating to Ieuan Deulwyn and Antoni Pywel of Llwydarth incorporating 'englynion' by both; 27-9, notes relating to the bardic 'cadair Tir Iarll'; 39-42, notes headed 'Llyma Ddosparth ar Deilyngdawd y Beirdd herwydd pob un ei radd a'i swydd'; 45-7, notes on measures taken by Ceraint Fardd Glas, Rhys ap Tewdwr, and Gruffudd ap Cynan in connection with the Welsh strict poetic metres; 55-87, references to, and extracts from, the works of various Welsh poets mainly the 'cywyddwyr', with notes on some of the poets and/or poems and their contents; 88-98, notes on Dafydd Ddu o Hiraddug referring to his connection with the 'cywydd' measure, the bardic grammar associated with his name and that of Edeyrn Dafawd Aur, and the translation into Welsh of the Office of the Blessed Virgin Mary, and mentioning the possibility of identifying Dafydd Ddu Hiraddug with Dafydd Ddu Fynach 'o Fonachlog Nedd' and Dafydd Ddu Athraw of the parish of Pen Tyrch [co. Glamorgan]; 104, a philological note on the word 'Cymmry'; 105- 15, notes incorporating comments on the word 'Cymry' (Kimmeri) as a national appellative and the early development of the language of the Cymry, an attack on tendencies to introduce new rules of orthography into the Welsh language, a comment on the need for 'a good Dictionary . . . of the Langu[age] as well as a good Grammar', a suggestion for establishing a 'Welsh corresponding Academy for restoring to its pristine purity the Ancient British or Welsh Language', etc.; 116, a list of twenty literary and historical subjects headed 'Progress of literary taste for improvement in Eastern South Wales'; 117, copies of two alphabets described as 'The most ancient Irish Alphabet named Bobeloth' and 'Irish Marcomanic or Marcomanic Runes'; 119, notes on ? bardic and public alphabets; 121-2, further notes on the Cimbri, Cymmry, or Cimmeri and their language; 137-41, lists or groups of miscellaneous Welsh words or phrases; 153-68, a brief account of religious dissent in Glamorgan in the 16th and 17th centuries with mention of Thomas Llywelyn, the bard, preaching to congregations at Blaen Cannaid and Rhegoes and translating the Bible into Welsh, and references to Wm. Erbury, Walter Caradog, Morgan Llwyd's visits to Glamorgan, the congregation at Blaen Cannaid, Lydia Phelle, meetings at Mynwent y Cwacers, Samuel Jones of Brynn Llywarch, and chapels or congregations at Tref y Ryg, parish of Llantrisan, Cefn Hengoed, parish of Gelli Gaer, Cwm y Glo near Merthyr, Ynys Gou in Merthyr, Coed y Cymmer near Merthyr, Cwm Cynnon near Aberdare, Hirwaen Forgan, parish of Aberdare, and Cymmer yr Ystrad, parish of Llantrisaint, all under the superscription 'Mân gofion am rai pethau eglwysig a chrefyddol a gefais gan y diweddar Mr. Morgan Llywelyn o Gastell Nedd'; 185-209, groups of Welsh words, verse extracts, etc.; 215-17, two lists containing the names of authors (Geoffrey of Monmouth, Morgan Llwyd, etc.), individual literary or historical works (Mabinogion, Drych y Prifoesoedd, etc.), and categories of material (Achau'r Saint, Triads, etc.), the first headed 'Our Ancient [Welsh] Prose Classics' and the second 'Modern [Welsh] Classics in prose', with a brief note on the language, etc., of these authors or works and criticism of the language of works written by modern, Welsh Unitarian writers; 218-20, brief notes on the characteristics of Welsh poetry from the earliest times with mention of Gruffudd ap Cynan, Rhys Goch ap Rhiccert, and Dafydd ap Gwilym; 221-3, notes on the formation of compound words in Welsh; 236, a list of words headed 'Specimens of roughness or of rugged words in the English'; 241-4, extracts from the works of Wm. Cynwal, Iorwerth Fynglwyd, Gwilym ab Ieuan Hen, Meredydd ap Rhys, and Llywelyn ap Ednyfed under the heading 'Caethiwed y Beirdd wedi darfod y Tywysogion'; (continued)

245-6, extracts from [? Henry] Hunter: Sacred Biography [London, 1783]; 247, brief notes headed 'Traddodiadau Morganwg am Owain Glyn Dwr'; 265-6, extracts from [Richard] Baxter: Poetical Fragments [London, 1681]; 269, extracts from Wm. Forbes: [An Account of the] Life of [James] Beattie [1807]; 269, an anecdote relating to Owain Glyndwr and an ash tree on Sterling Down [co. Glamorgan]; 270, brief notes headed 'Meteorology of Glam[organ]'; 271, a transcript of six stanzas of English verse headed 'Old song commonly sung in Glamorgan]'; 273, a transcript of three 'englynion' attributed to Rhisiart Tomas of Pen y Bont ar Ogwr, with a note thereon by [Edward Williams] 'Iolo Morganwg'; 274-5, a list of names of saints with churches founded by them in cos. Glamorgan and Monmouth allegedly from a volume in the possession of Siôn Bradford; 283, a note on an 'eisteddfod' held at Ystrad Ywaen [co. Glamorgan], ? 1603; 283-4, a note relating to the preservation of traditions, historical memorials, etc. in Wales; 285-7, a list of miscellaneous Welsh words with English or Latin definitions; 287, copies of four 'englynion' by [Edward Williams] 'Iolo Morganwg'; 301-?92, extracts from ? [J. Pinkerton:] Walpoliana; 393- 415, extracts from The Monthly Review, 1790, vols. 1 and 2, ibid., 1807, etc.; 415, a transcript of two 'englynion' to the Baptist meeting house at Maeshaleg [co. ] attributed to Harri Siôn of Pont y Pwl; ? 422 + 423, a short list of Welsh maxims headed 'Agricul[t]ural Maxims in Glamorgan]'; 424, four Welsh proverbs described as 'Glam[organ] proverb]s'; 424, specifications of 'Buarth mawr in Wick, a large Ruin, an Armory of the Dutchy of Lancaster ait Thos. Truman'; 428-9; a list of invaders of Britain ('Llyma son ysbysbwyll am yr Estroniaid a ddaethant i Ynys Prydain yn ormes yn erbyn Braint Cenedl y Cymry'); 429-37, miscellaneous groups of Welsh words, miscellaneous memoranda, and two stanzas of Welsh verse attributed to Siôn William; 438-40, suggestions in Welsh concerning matters for discussion at an annual meeting of Unitarians ('y Dwyfundodiaid') [to be held] in Aberdare [co. Glamorgan], N.D.; 441-56, miscellaneous memoranda, a brief note on the difference between North Wales and South Wales dialect, extracts from The Monthly Review, 1807, a transcript of a brief letter, 1807, from J. Franklen from Lanmihangle to Mr. Hooper, ? concerning a right of way, a brief note on Chinese methods of propagating fruit trees, extracts from speeches by Napoleon, etc.; 461- 4, a transcript of a sequence of thirty 'Englynion y Gorugau' attributed to Y Bardd Glas o'r Gadair; 465, a short list of Welsh triads ('Trioedd Amrafaelion'); 466, a note on Hugh Lupus, earl of Chester, ob. 1107; 468, a transcript of six more 'Gorugau' stanzas; 470, an anecdote relating to Ieuan fawr ap y Diwlith 'o Gil Fai'; 471, brief notes headed 'Llyma son am Glymau Cerdd dafawd herwydd y mesurau'; 472-3, 476 lists or groups of Welsh words; 477, notes with the incipit 'Llyma'r modd y nottaynt yr hen athrawon hyspysu cof amseroedd'; 478, a list of Welsh poetic measures headed 'Hen Ddosparth Tir Iarll', and a brief note commencing 'Llyma ddosparth y Corfannau a wnaeth Hopkin Thomas o Gil Fai . . . '; 479, rules relating to the training of bardic trainees or disciples; 480, a note relating to 'mesurau profest'; 480-85, pseudo-historical notes relating to the Welsh strict metres and the bardic system with mention of Rhys ab Tewdwr, Gruffudd ap Cynan, Llawdden Fardd, Dafydd ap Edmwnt, 'eisteddfodau' at Carmarthen 1450 and 1460, etc.; 486, a list of Welsh words ending in - ur with English definitions; 488, an anecdote relating to Sir Edward Stradlin and Dr. John David Rhys; 491, a short list of Welsh proverbs headed 'Diarhebion Morganwg'; 493-6 a brief note on the appearance of double and alternate rhymes in South Wales and on the form of the verbal termination for the third person singular past tense in the works of medieval Welsh poets, and miscellaneous Welsh word or phrase lists; 514, a short list of Welsh words with, in some instances, English or Latin definitions or equivalents; 519, notes on financial contributions headed 'Dwyfundodiaid, 1813, Gelli Onnen'; 521-9, miscellaneous notes noting, inter alia, archaeological remains, remains of abbeys, 'edifices by Inigo Jones' and repairs effected by him, various plants, fruit, trees, minerals, rocks, etc., to be found in various locations in co. Glamorgan; 531, brief notes on Dunraven Castle, Boverton Castle and Place, and Hays Castle in Lantwit and the remains of a camp adjacent to it; 532, a biographical note on John Hopkins 'versifier of the Psalms', ob. 1541; etc.

A volume (pp. i-xxii; 1-449) containing miscellaneous items, many relating to Welsh bardism, in the hand of Edward Williams ('Iolo Morganwg'). The contents include pp. 1-3, a note re the proclamation in 1795 of a bardic meeting to be held at Pen Bryn Owain in co. Glamorgan in 1796; 3-7, notes re the times of holding bardic meetings ('Cadair a Gorsedd wrth Gerdd a Barddoniaeth'), etc.; 7-16, eleven rules under the superscription 'Darbodau Gorsedd Gyfallwy Cadair Morganwg . . . ar Benn Brynn Owain ym Morganwg . . . 1795' relating to the conduct of bardic meetings, the measures, content, and language of poems, the bards, etc.; 25-8, a note of a proclamation in 1798 of a 'Cadair a Gorsedd ar Gerdd a Barddoniaeth' to be held at Pen Brynn Owain in co. Glamorgan in twelve months time, notes on the times of holding future bardic meetings '. . . ymmraint Cadair Orsedd Morganwg . . . ar ben Twyn Owain', and a geographical definition of the term Morgannwg in this context; 35-44., notes headed 'Coelbren y Beirdd herwydd Llyfr Llywelyn Siôn' being notes relating to the special alphabet reputedly devised by the Welsh bards for carving or notching on wooden surfaces and different modes of constructing wooden appliances or so-called 'books' which could be used as writing surfaces when utilising this alphabet; 51, an incomplete version of a 'question and answer' conversation between a teacher and his disciple; 55-6, notes relating to early British bards called 'gwyddoniaid', a bardic meeting between Prydain ab Aedd Mawr and three of these bards called Plennydd, Alawn, and Gwron ('Tri Phrif Feirdd Ynys Prydain'), rules for the bardic order formulated then, etc.; 57-60, English definitions of, or notes in Welsh on, terms of bardic relevance, e.g. 'Alban', 'Gorsedd Arddangos', 'Arwest', 'Cerdd Arwest'; 63-73, extracts of varying length from the works of Welsh poets ? illustrating bardic or poetic terms ('Bardic Allusions from the Welsh Bards'); 79, a note on 'Colofn Prydain (sef felly y gelwir y Gyhydedd Gyrch yn Llyfr Gm. Tew)'; 80-82, notes on Welsh literary production up to and including the fifteenth century mentioning Dafydd ap Gwilym, Llawdden, Harri ap Rhys ap Gwilym, Ieuan Brechfa, Edeyrn dafawd aur, Einiawn offeiriad, Dafydd Ddu Hiraddug, and Hopkin ap Thomas; 82-6, notes relating to an 'eisteddfod' held under the patronage of Gruffydd ap Rhys ap Tewdwr in Aberteifi and to rules concerning the order of bards and musicians formulated there; 87-8, brief notes on the bardic 'cadair arddangos' and 'cadair dwmpath'; 89, a note relating to the original of Shakespeare's Romeo and Juliet, an extract from the said work, and a note on 'a circumstance . . . exactly similar' in a poem by Dafydd ap Gwilym; 90-91, notes on Dafydd ap Gwilym and his poetry; 92-4, notes on the Welsh alphabet; 95-? 104, the rules and customs of the bardic chair of Tir Iarll ('Trefnau a Defodau Cadair Tir Iarll'); 111-13, bardic miscellanea; 119- 22, notes relating to the rights, etc., of the bardic order with the superscription 'Llyma ddangos amrafaelion o arferion a breiniau a defodau a barnau a chyfarwyddyd a berthynent i Feirdd a gwyr wrth gerdd o'r hen Lyfrau'; 127-33, notes on 'Cerdd Gadair', 'Cerdd Deuluaidd', 'Clergerdd', 'Datgeiniad Cadair', and 'Datgeiniad Penpastwn'; (continued)

135-7 + 145, further notes re rules for bardic meetings; 142, two triads; 143-4 + 155, notes relating to ? the Welsh bardic alphabet; 154, a note on 'Tair colofn Barddoniaeth'; 157-9, notes relating to the alleged association between (a) Gruffudd ap Cynan and Bleddyn ap Cynfyn and the code of rules for the bardic order, (b) Bleddyn ap Cynfyn and 'regulations for genealogies and armorial bearings', (c) Rhys ap Tewdwr and the introduction of the 'Bardic Laws of the Round Table' from Armorica, and (d) Gruffudd ap Cynan and 'a musical sessions in Glyn Achlach in Ireland . . . 1096'; 171-4, a transcript of twelve stanzas of Welsh verse attributed to Siencyn o'r Crwys y Prydydd; 174, a list of 'Plant Caw o Brydyn'; 175, a transcript of a twelve-line Welsh stanza allegedly composed by Thomas Glyn Cothi on the occasion of the French landing at Fishguard in 1797; 176-7, genealogical data relating to the family of Iestyn ab Gwrgan and related families; 178, a transcript of an 'englyn' relating to Owain Glyn Dyfrdwy attributed to Ieuan Gethin ap Ieuan ap Lleision; 179, a few entries relating to events in Welsh history, 870-959; 180, a transcript of 'englynion' ? attributed to Hywel Ystoryn; 181-6, an anecdote and notes relating to ? the reputed poetesses of Ty Talwyn, parish of Llangynwyd [co. Glamorgan]; 187 + 193, skeleton notes on Llanilid, Llanharan, Llanhari, Llantrisaint, St. Donats, and Flimston [co. Glamorgan]; 188-9, historical and other notes relating to the parish of Merthyr Tydvil [co. Glamorgan]; 190, a list of 'Antiquities in and about Merthyr'; 191, a note on Mallt Walbi 'a Brecon virago' and leader of a gang of freebooters, and a list of 'Remarkable Parishes' [in Glamorgan]; 192, a list of 'Antiquities in and about Lantwit Major' [co. Glamorgan]; 205, extracts relating to 'Melchin, an ancient British author', 'Hu Gadarn', etc., 'Ex Celtic Remains by Lewis Morris'; 206-07, a note on heroic poetry and the attitude of the 'descendants of the Celts' towards it; 219- 22, comments on orthography arising out of [William] Owen [Pughe]'s innovations with regard to Welsh orthography; 223-7, notes relating to the formation of compounds and plurals of monosyllabic words in ancient Cimbric and modern Welsh; 227-39, notes relating to the original home of the Cymry and early druidism and bardism, etc.; 241, a short list of Welsh words relating to worship with English definitions; 242-4, notes on the principles of druidism; 246-51, notes relating to the 'Great Eisteddfod at Caermarthen' [? 1451], 'the system of versification that received the sanction of that Eisteddfod', the adoption of this system by the bards of North Wales and some of those of South Wales, its rejection by the bards of Glamorgan and their compilation of 'a system of discipline, of Poetical Criticism, of Versification, and of whatever appertained to their science', the death of the Carmarthen system during the reign of James I, Gronwy Owen's verse, and the Gwyneddigion Society's annual Welsh poetry competition and its attempt 'to restore the system of the Carmarthen Eisteddfod'; 252-4, notes relating to an 'eisteddfod' held at Nant Gonwy, 1 Edward IV, incorporating 'englynion' attributed to Dafydd ap Edmund and Twm Tegid Brydydd 'o Langower ym Mhenllyn'; 259-66 + 274-82, an outline journal of a journey from South to North Wales and back, July-August 1800, the places mentioned on the northward journey including Cowbridge, Bridgend, Neath, Caeo, Dolau Cothi, Pumsaint, Clydogau Mountain, Llanfair Cludogeu, Llandewi Brevi, Tregaron, Pont Rhyd Fendigaid, Hafod, Pont ar fynach, Llanbadarn, Aberdyfi, Towyn, Dolgelleu, and Blaeneu (a visit to [Rhys Jones, antiquary and poet] and transcribing of manuscripts), and on the return journey Llanfachreth, Dolgelley (mention here of harpists and of the origin of the triple-stringed harp), Carneddi Hengwm, Tal y llynn, Abergyrnolwyn, Aberdyfi, Aberystwyth, Llanrhystid, Tal y sarn, New Inn, Abergwily, Caerm[arthe]n, Llangyndeyrn, Pont y Berem, Llan Nonn, Cydwely, Llanelly, Pont ar Ddulais, Swansea, Llangynwyd, and Bridgend; 262, a transcript of twelve lines of English verse entitled 'Loyalty by a Cobler'; 264, a transcript of an 'englyn' attributed to Huw Llwyd Cynfel; 270-73, a Welsh saints' calendar; 306, a plan of a 'Sheepfold at the foot of Cadair Idris, another in ruins on the same plan Cefn Merthyr, several more in Glamorgan'; (continued)

307, a transcript of the 'title-page' of Edward Jones: The Bardic Museum of Primitive British Literature . . .; 308-13, a series of eleven Welsh triads ('Llyma Drioedd y Beirdd') with an English translation thereof extracted from pp. 1-4 of the aforementioned Bardic Museum by Edward Jones; 316, a medicinal recipe for rheumatism in the head; 317, a 'Plan of a school house or accademy'; 323-38, extracts from Sharon Turner: History . . . of the Anglo-Saxons [vol. IV], relating to the language, literature, and music of the Anglo - Saxons; 339-43, notes on, and extracts from, [Walter] Scott's 'Lay of the Last Minstrel'; 359-62, extracts from a review of Edward Moor: The Hindu Pantheon which appeared in The Edinburgh Review, February 1811; 367-70, brief notes relating to the poetic dialect of the Welsh bards, the 'ancient [Welsh] Prose dialect', 'the modern [Welsh] literary Dialect', and 'The Venedotian Dialect' and its use in literature, and comments on the efforts of 'A Welsh (would-be literary) Society in London . . . to patronize the Welsh Language'; 373-80, notes relating to the introduction of Scaldic bardism into North Wales in the time of Gruffudd ap Cynan and the consequent disappearance of the old British bardism in that part of the country, the preservation of the old bardism in Glamorgan, and the invigorating effect of the 'Scaldic manner or system' on Welsh poetry and the Welsh language, general comments on the moral tone of Welsh literature, etc.; 381, three 'grammatical' triads; 382, a very brief list of Irish words in the Venedotian dialect; 383, an extract 'Ex Vol. 35 Plas Gwynn Mon' [i.e. Panton MS 35 now NLW MS 2003] relating to the 'dymchwelawl' poetic metre; 384, a note relating to an old manuscript volume containing Welsh miracle plays in the possession of 'Dr. Thomas yn Llwyn Iwrch' in the eighteenth century; 385-6, comments on the practice of calling 'the ancient British Religion Druidical'; 387-9, general observations on the development of the 'system of versification and of poetical criticism . . . of the Welsh Bards'; 390, a brief note on 'Bardism or Druidism'; 391-2, a list of fourteen chapter headings for a proposed 'History of the Bards' [? by Edward Williams], with a note at the beginning 'A Bad Plan' and at the end 'The above is only the first rude sketch of 1791 and here only retained as containing a few hints that may be useful' (in addition to material on British / Welsh bardism and druidism and Welsh music this work was to contain chapters on Irish and Highland bards, Scandinavian scalds, Provencal troubadours, and Saxon and English minstrels); 392-4, a list of thirty-six topics or subject or chapter headings being 'Another arrangement' [presumably for the proposed 'History of the Bards']; 395, a transcript of three 'englynion' attributed to Gutto'r Glyn, the third being attributed also to H[ywel] D[afydd] I[eua] n Rhys (an accompanying note mentions an 'eisteddfod' at Cardiff Castle); 396-7, a list of six 'Topics for the Bards Common Place book'; 398, a list of dates ? in connection with the holding of 'eisteddfodau' at Ystrad Ywain [co. Glamorgan]; 399-400, notes relating to the 'Polity or Discipline' of the druids and bards; 407, a list of fourteen 'names given by the ancient Bards to the Coronog faban' (part Welsh, part English, and derived from [Thomas] Pugh [: Brittish and Out-landish] Prophesies . . . [ London, 1658]); 408-18, notes relating largely to early British bardism and druidism with mention of [James] MacPherson and the Ossianic poems; 423-5, miscellaneous triads, etc.; 426 + 430-31, general reflections relating to etymology; 427-9, reflections on the use of conjecture in history particularly 'with respect to the peopling of Europe and America' if no historical records were available; 431-3, notes relating to the dissension between the bards of North Wales and those of Glamorgan consequent upon the 'succesful attempt of Daf[ydd] ab Edmund at the Caermarthen Congress [? 1451] to establish his own system [of versification]', the researches undertaken by the Glamorgan bards into 'Bardic history and science' and their discovery of 'the true principles of Poetry and versification', etc.; 435-7, notes containing general reflections on changes in the Welsh language and poetry from the late thirteenth century onwards; and 438, a list of six Welsh triads.

A manuscript, mainly in the hand of Evan Evans (Ieuan Fardd), with some parts apparently in other hands, containing an elegy to 'W. Vn o G. y Gedol ... a fy farw ... yn y flwyddyn 1775' by Evans (pp. 1-8), and other poetry by him (pp. 275-308), Thomas Jones (Twm Siôn Cati), Siôn Cent, Edmwnd Prys and others (pp. 1-12, 33-114, 205-218, 247-258, 275-310); extracts from the manuscripts of Robert Vaughan, Hengwrt (pp. 13-32, 119-126, 142-158) and John David Rhys (Siôn Dafydd Rhys) (pp. 139-141); notes relating to Lewis Morris (pp. 115-118); a copy of the charter of Clynnog Fawr (pp. 127-130) (see Monasticon Anglicanum, vol. V (London, 1825), p. 631); a description of the tombs in St David's Cathedral (pp. 131-138); a list of men who defended Harlech Castle against Edward IV (pp. 153-154); quotations illustrative of the use of the terms 'Brytwn', 'Brython', etc. (p. 155); the Officium B[eatæ] Mariæ 'wedi ei dynnu or Lladin yn Ghymraeg y gan Ddafydd Ddu o Hiraddug hyd y mae pawb yn tybied' (pp. 159-204), with notes originally by Dr John Davies, Mallwyd, whose copy Ieuan Fardd transcribed; a poem (1635) to Rolant Fychan, Caergai (pp. 205-206); an index to the Red Book of Hergest by Dr John Davies (1634) (pp. 220-238); copies of inscriptions in Llanfihangel-y-Traethau and Dymeirchion (Tremeirchion) (pp. 266, 274); copies of letters, with poems enclosed, from Ieuan Fardd to John Griffith of Cefn Amwlch (pp. 275-298) and to William Vaughan of Corsygedol (pp. 299-308); an anonymous letter to Robert Vaughan of Hengwrt (p. 309); etc.
There are notes signed 'J[ohn] Williams Plas y Brain' on pp. 94, 116, with the date '1793' added in pencil on p. 118.

A transcript by Ioan Pedr and others of NLW MSS 1246-1247D, which contain transcripts by Rhys Jones ('o'r Blaenau') of 'cywyddau' and other poetry by Wiliam Llŷn, Rhys Goch Glyndyfrdwy, Tudur Aled, Edward Mor[y]s, Gruffudd Hiraethog, Gruffudd ab Ieuan ap Llywelyn Fychan, Gruffudd Gr[y]g, Dafydd ab Edmwnd, Lewis Daron, Lewis Menai, Siôn Tudur, Goronwy Owen, Sion Dafydd Las [John Davies], Thomas Prys, Huw Mor[y]s, Dafydd ap Gwilym, Dafydd Nanmor, Morys Dwyfech [Morus ap Dafydd ab Ifan ab Einion], Rhys Cain, Bedo Brwynllys, Bedo Aeddren, Ieuan Deulwyn, Gruffudd Llwyd ap Dafydd ab Einion [Llygliw], Edwart Urien, Siôn Cain, Ieuan Dew Brydydd, Lewis Glyn Cothi, Lewis Trefnant, Maredudd ap Rhys, Tudur Penllyn, Ieuan ap Hywel Swrdwal, Llawdden, Owain Gwynedd, Sion Ceri, Syr Ifan [o Garno], Robin Ddu, Hywel [ap] Rheinallt, Gutun Owain, Guto'r Glyn, Huw Arwystli, Dafydd Ddu Hiraddug, Ieuan ap Tudur Penllyn, Iolo Goch, Siôn Cent, Ieuan Brydydd Hir [Hynaf], Huw Llwyd Cynfal, Gruffudd Llwyd ab Ieuan, Richard Cynwal, Huw Machno, Robert Dyfi, Iorwerth Fynglwyd, Syr Rhys o Garno, Hywel ap Dafydd ab Ieuan ap Rhys, Richard Phylip, Evan Evans ('Ieuan Brydydd Hir' ['Ieuan Fardd']), Ieuan Du'r Bilwg, Aneirin Gwawdrydd, Taliesin, Morys ab Ieuan ab Einion, Deio ab Ieuan Du, Rhys Pennardd, Meil[y]r Brydydd, Cynddelw [Brydydd Mawr], Thomas Jones (Tregaron), Wiliam Cynwal, Llywarch Hen, Bedo Hafes[b], Huw Pennant, Edward Richard (Ystradmeurig) and David Richards ('Dafydd Ionawr').

A volume of transcripts of poetry, mainly 'cywyddau' and 'englynion', by Iowerth Fynglwyd, William Llŷn, Huw Cae Llwyd, Gwilym ap Sefnyn, Dafydd Nanmor, Thomas Prys, Syr Dafydd Trefor, Aneurin Gwawdrudd ('Anearan Gwowdrudd'), Rhys Pennardd, Iolo Goch, Gutun Ceiriog, Siôn Mawddwy, Dio ap Ifan Du, Rhys Goch Glyndyfrdwy, Dafydd ap Edmwnd, Dafydd Ddu o Hiraddug, Philip John Philip, Siôn Philip, Owain Gwynedd, Ieuan Brydydd Hir, Siôn Cent, David Jones, Rhys Wynn, Siôn Tudur, Dafydd ap Gwilym, Dafydd Llwyd ap Llywelyn ap Gruffudd, Meredydd ap Rees, Llywelyn ap Gutun, Syr Owain ap Gwilym, Griffith Philip, Rowland Vaughan, Richard Philip, Edmwnd Prys, Robin Ragett, Tudur Aled, John Prichard Prys, Robert Klidro, Ellis Rowland 'o Harlech', Hugh Llwyd 'o Gynfal', Huw Morris, Lewis Morris, Mr. David Roberts, Rice Lloyd, Moris ap Robert, Bala, and Thomas Jones, Orsedd Las. The greater part of the volume was written in the early eighteenth century. Among slightly later hands at the end of the volume is that of William Jones of Orsedd Las. At the end of the volume is a letter from a Welsh emigrant, written from Delaware, 21 September, 1828.

A volume entitled 'Amrywiaethau' on the spine, and 'Amrywion sev o gynnulliad Idrison' [i.e. William Owen-Pughe] on the fly-leaf. The contents, a miscellaneous collection of prose and poetry, include: pp. 1-8, four 'cywyddau' attributed to Dafydd ap Gwilym and others; pp. 9-10, 'Can y Mai, ar fesur Awdlgywydd o waith Gwilym Tew, medd Llyfr Lewys Hopkyn'; pp. 11-14, a transcript of 'Annerch-lythr Gronwy Owain Len at William Elias o Blâs y Glyn, Llanfwrog ym Môn', dated at Donnington, 30 Nov. 1751; pp. 15-17, English translation by W[illiam] O[wen-Pughe] of a poem by Taliesin entitled 'Gwaith Gwenystrad', and of another (pp. 18-21) beginning: 'Teithi edmygant yn Nyffryn Garant . . .'; pp. 22-25, an incomplete transcript of 'Gorhoffet Gwalchmei'; pp. 32-34, 'Emyn Ambros ac Awstin, yr hwn a elwir y Te Deum o gyfieithiad Dafydd ddu o Hiraddug'; p. 35, 'Darneb yn iaith Phoenicia yn Llythyrenau Seisnig'; p. 36, part of the tale of Manawydan fab Llyr (cf. Ifor Williams, Pedeir Keinc y Mabinogi (Caerdydd, 1951), t. 52); pp. 37-40, 'Memorandums from Whartons History of English Poetry'; p. 41, 'Enwau Duw', Hebrew terms for God with Welsh equivalents; p. 42, a further Hebrew-Welsh vocabulary; p. 43, a note concerning Edward Williams ['Iolo Morganwg'], Edward Evan of Aberdare (ob. 1798) and their knowledge of 'Cyfrinach y Beirdd'; p. 44, 'tribannau' attributed to Sion Rhys o Ystrad Dyvodwg and Ed. William o Lantrisaint (cf. Tegwyn Jones, Tribannau Morgannwg (Llandysul, 1976), no. 334); pp. 45-50, 'Awdyl Cyflafan y Beirdd, Testyn Dinbych - 1792', beginning 'Deffro duedd dew ffrwd awen - o'th fedd . . .' by ?B.C.; pp. 53-55, a copy of a letter dated at London, 1 Oct. 1788, from William Owen to Mr. George Riveley, Portsmouth in Virginia; pp. 59-63, 'Hymn to Narayena' by Sir William Jones, beginning 'Spirit of spirits, who, thro' every part . . .'; pp. 64-66, copy of a letter written by [William Owen-Pughe] from London, 22 April 1789, recipient uncited; pp. 67-71, copy of a letter from William Owen [- Pughe] to Thomas Pennant, esq., dated 22 April 1789; p. 73, a remedy for a cold; p. 75, extract from a poem, 'the Pleasures of Memory', beginning 'The father strew'd his white hairs in the wind . . .'; pp. 77-79, a prose translation of 'Ymbil ar Ddwynwen . . .' (see Barddoniaeth Dafydd ab Gwilym (Llundain, 1789), t. 154) entitled 'The Invocation of Saint Dwynwen '; pp. 83-85, transcript of a letter from J. G. Boccius, dated at Leipzig, 19 Oct. 1793, to [William Owen-Pughe], followed by a list of Wendish words with Latin equivalents; pp. 85-88, transcript of a letter from Dr. [Carl Gottlieb] Anton, dated at Gorliz in Ober Lausiz, 2 Aug. [17]94, written in French (for the original see NLW MS 13223C, p. 145); pp. 88-95, copy of a letter written by W[illiam] O[wen-Pughe] from London, 20 Jan. 1796, in reply to Dr. Anton's letter; pp. 96-98, 'Song to May', a translation of pp. 9-10 above; pp. 101-06, transcript of a letter dated 15 April 1800 from E[dward] Williams, 'Iolo Morganwg', to [Owen Jones], 'Owain Myvyr'; pp. 107- 116 & 119-120, transcript of another letter from the same to the same, dated at Flimston, 17 June 1800; (continued)

p. 117, memoranda, 1800, recording the death and burial of various members of the Owen family; pp. 121-36, transcript of a letter from 'Iolo Morganwg' to 'Owain Myvyr', dated at Cardiff, 6 Oct. 1800; p. 139, the dates of death of four relatives and acquaintances of William Owen [-Pughe]; p. 141, lines dated 29 Dec. 1830 by Ro[bert] Davies, 'Bardd Nantglyn', beginning 'Y llwdn hwq, and nid o ddig . . .'; pp. 143-5, 'Cywydd i Vordeyrn sant yn Nantglyn' beginning 'Y sant nevol addolwn . . .', attributed to Davydd ab Llywelyn ab Madog, transcribed by 'Idrison' at Egryn, 18 March 1833; p. 147, a list of 'Correspondent words'; pp. 149-150, notes by 'Idrison' on the cure of 'Davaden Wyllt (Cancer)' dated 14 Feb. 1834; p. 339, note of financial loans and gifts made to [William Owen-Pughe], 1796-98; pp. 411-40, a narrative beginning 'Ac Elphin á gymmeres y Gôd, ac ai bwris hi ar gevn un o'i veirç mewn cawell . . .', said to be 'O Lyvyr Iolo Morganwg . . . Gwaith Hopcin Tho. Phylip o Varganwg [sic] o gylç 1370'; pp. 444-46, 'Profwydoliaeth Llywelyn Vawr (o'r Brithdir meddir)', beginning 'Mae hen goelion yn ein gwlid . . .'; pp. 447-85, a series of 'Coronog Faban' poems and prophecies, variously attributed to Aneurin Gwawdrydd, Jonas Athraw Mynyw, Rhys Gog o Eryri, and Gildas Brofwyd (pp. 459-63 contain a copy of observations by 'Iolo Morganwg' on the preceding 'Coronog Faban' poems); pp. 486-88, 'Llyma englynion Marçwiail, o lyvyr Havod Uçtryd : ei enw Hen ddihenydd', beginning 'Marçwiail bedw briglas . . .', attributed to Mabclav ab Llywarrq; PP- 489-9o, 'Gweddi Taliesin', beginning 'Gweddiav Dduw Dâd . . .'; pp. 491-93, 'Llyma Gerdd y Bardd Glas o'r Gadair "o Lyvyr Joseph Jones o Gaer Dyv, à ysgrivenwyd cylç 1590." Iolo Morganwg', beginning 'Deg gormes caredvorion . . .'; pp. 494-97, 'Llyma Englynion a vuant rwng Caradawg Llan Carvan a Gwgan Varvawg o Lan Dathan, o'r un Llyvyr', beginning 'Gwgan Varvawg, hanpyç gwell! . . .'; pp. 497-502, 'englynion' attributed to Gwgan Varvawg o Landathan alias Gwgan Vardd alias Gwgan Vardd Iestyn; p. 503, 'Hen vesurau, sev Englynion gan Gwydion ab Don: o Lyvyr y Mabinogi yn Llyvyrgell Mostyn', beginning 'Dâr á dyv yn arddväes . . . '; pp. 504-06, 'Llyma Awdyl à gânt Teilaw sant', beginning 'Govynawd ysgen . . .', attributed thus: 'Teilaw Sant ai cant pan ydoedd yn myned i Ynys Enlli: O Lyvyr Harri Sion o Bont y Pwl'; p. 506, two verses entitled 'Llythyr Merq at ei Çariad' and 'Atteb y Mab'; pp. 507-10, 'Llyma' r Bader yn Gymbraec: o Lyvyr Havod Uçtryd', beginning 'Yn Tat ni yr hwn wyt yn y Nef . . .'; pp. 511-12, 'Englynion ar enwau Duw: gwaith Sion y Cent: o Lyvyr Wm. Rhosser', beginning 'Duw Tri, Duw Celi coelion, Dav, Eli , . . .'; and pp. 592-3, 595, & 597, notes, 1800-03, & 1808 by [William Owen-Pughe]. Certain of the above items appear to have been published in The Myvyrian Archaiology and the volume Iolo MSS. Pasted in at the end of the volume are a few loose items including notes on ancient alphabets, etc., dated 1821; a tune with words in ?Hebrew and Welsh based on Ps. 115, 1; a receipt dated 20 June 1793 for 5 guineas, being the admission fee to the Society of Antiquaries of London of William Owen [-Pughe]; and a copy of printed proposals to publish Pethagoras; or, The Hindoo's Researches.