A volume containing pedigrees of British saints copied by Sir Samuel Rush Meyrick [1783-1848] from transcripts made by Edward Williams ('Iolo Morganwg') [1747-1826] from the books of Thomas ab Ieuan [Thomas Evan James] ('o Dre'r Bryn') [1824-1870].

A small volume written by Edward Williams, 'Iolo Morganwg', and containing (a) 1-47, 'Achau Saint Ynys Prydain o Lyfr Thomas Hopcin o Langrallo' with a concluding note (p. 47) 'Myfi Iorwerth ap Iorwerth Gwilym a gymmerais hynn o Lyfr Mr Thomas Hopcin fy Ngharwr o Langrallo, yr hwn Lyfr ydoedd gwaith Thomas Ab Ifan o Dre Brynn ym Mhlwyf Llangrallo a ysgrifenwyd ynghylch y flwyddyn 1670 o hen Lyfrau ysgrifen' and (b) 48-111, 'Achau a Gwelygorddau Saint Ynys Prydain o Lyfr Thomas Truman o Bant Lliwydd' with a concluding note (p. 111) 'o Lyfr hir Thomas Truman o Bant Lliwydd a fuassai yn un o Lyfrau Thomas ab Ifan o Dre Brynn', followed (pp. 113-4) by an anecdote in the autograph of [William Owen Pughe] concerning Owen Gruffydd [the poet] and a few lines in the autograph of Iolo Morganwg headed 'Achau Saint. Ynys Prydain. O Lyfr Twm o'r Nant'. Written on the outside of the cover are the words 'Cwtta (?) bach' and 'For Carmarthen' in the autograph of Iolo Morganwg and 'Welsh MSS', 'Achau Saint, Lives of the Saints, Sent by Mr Owen 11 Augst 1840' and [Class] 'D' in a later hand or hands. This is probably the manuscript referred to in NLW MS 13126A, p. 70, as 'An[euri]n Owen's copy sold to the record Commission'.

A volume containing mainly pedigrees of North and South Wales families written by two principal scribes of the circle of George Owen of Henllys, Pembrokeshire.
(a) Pages 1, 7-209, 223-232, 239-256 and possibly 372-373 are written by a scribe who, although experienced in penning a good secretary hand and in executing ornate headings, is often inaccurate in his transcription of Welsh personal and place-names; he also wrote the line 'Owain ap Gruffith /i/ gelwid Gwinn ap Gr: yn jawn' on p. 41, in italic (examples of the same italic hand are found in the margins of pp. 19, 66, 113, 355, 356, 361 and elsewhere). This section comprises a collection of pedigrees mostly of North Wales families, including 'Bonedd y Saint' (pp. 84-90); the prose text 'Pedwar Marchog ar Higen oedd yn llys Arthur' (end wanting) (pp. 37-38); the dates of battles in the 'Wars of the Roses' (pp. 31, 208); five englynion, including one by Richard Davies, bishop of St Davids (p. 1), and other englynion dispersed among the pedigrees (pp. 57, 78, 92, 114-115, 170), together with the series of forty englynion entitled 'Campod Manuwel' (pp. 223-232); and the prose piece 'Disgrifiad Arfau', a Welsh translation of the heraldic treatise 'Tractatus de Armis', attributed to John Trevor, bishop of St Asaph (pp. 239-256). The ultimate source of this section is the collection of pedigrees and other texts written, [c. 1510], by 'Syr' Tomas ab Ieuan ap Deicws in Peniarth MS 127 (see p. 53); however, internal evidence suggests that the scribe was copying from the transcript of Peniarth MS 127 in NLW MS 17112D rather than directly from the original (see p. 104, where he begins copying the note 'Darfu examinatio y llyfrev newydd hyd yma' which occurs on f. 66 verso of NLW MS 17112D, before he realized his mistake). Both Brogyntyn MS I.15 and NLW MS 17112D preserve the original order of the text of Peniarth MS 127, which has been subsequently disarranged in binding. (b) Pages 211-212, 269-371, 374-411 are written by another experienced scribe whose display script is almost indistinguishable from that of the first scribe. These pages contain pedigrees mostly of South Wales families and include two copies of 'Llyma enway Kwnkwerwyr y rhai a vyant yngwlad Vorgannwg ay harfay' (pp. 280, 361-362), a third containing merely a short list of the conquerors' names (p. 310), and two copies of 'Llyma achoed Saint ynys Brydain' [= 'Bonedd y Saint'] (pp. 363-365, 385-386). The text on pp. 211-212, as indicated by a note in the hand of George Owen of Henllys at the head of p. 211, was copied in 1596 from the manuscript of 'Hyw Lewis Sr morgan' of Hafodwen, Carmarthenshire, which 'D'd ap Ienkin m'edd o Vachynlleth' wrote in 1586; the original is now NLW MS 3055D (Mostyn MS 159), pp. 232-233. The text on pp. 271-343 is partly derived from a manuscript written in 1513 by the Carmarthenshire poet and genealogist Ieuan Brechfa for 'Mastr John ap Henry ap Rees', with some of the pedigrees brought down to the second half of the sixteenth century; Ieuan Brechfa's manuscript does not seem to have survived; it is not Peniarth MS 131, pp. 199-308, which is thought to be in his hand. The source of pp. 345-411 is unknown, although the text on pp. 347-365 follows very closely that in Peniarth MS 143, pp. [?1-3], 4, 47-48, 7-19, 33-46, 49-52, written by the same mid-sixteenth century scribe who wrote many of the religious texts in Cardiff Central Library Havod MS 22. A leaf containing a prophecy in English verse, written in a late-sixteenth century hand, has been tipped in after the main text (pp. 413-414).

A composite volume containing genealogical, heraldic, and historical.or pseudo-historical material in the hand of Edward Williams ('Iolo Morganwg'). P. vii bears the transcribed inscription 'Llyma Lyfr achau a Bonedd amrafaelion o Bendefigion a Bonheddigion Cenedl y Cymry ag eraill o bethau Cyfarwyddwyd a gasglwyd o Lyfrau Ieuan ap Hywel Swrdwal o Dir Iarll ag o Lyfrau Ieuan Deulwyn o Gydweli gennyf fi Antoni Pywel o Lwydarth yn Nhir Iarll', with an added note 'A myfi Iolo Morganwg a'u tynnais o Lyfrau yr Achwr celfyddgar a'm cyfaill caredig Thomas Truman, wr Bonheddig o Bant Lliwydd ym Morganwg'. Following on pp. 1-113 is genealogical, heraldic, and historical or pseudo-historical material extracted [by Edward Williams] from the manuscript generally known as 'Llyfr Du Pant Lliwydd' (Llanover MS E. 3., now NLW MS 13165B; see notes on pp. 1, 6, 37, 54, 68, 79, 103 of present volume), and also from a source referred to as 'Llyfr Coch Pant Lliwydd' (see pp. 105, 113 of present volume). Included are sections with the superscriptions 'Llyma Arfau y Brytaniaid o Ynys Prydain', 'Llyma arfay y Cwngcwerwyr a fyont ym Morganwc', 'Llyma Bymthegllwyth Gwynedd', 'Llyma enway y Brenhinoedd', 'Llyma Enway y Prifddinesydd a wnaeth y Brytaniaid . . .', 'Llyma enway y Pedwar Brenin ar hugain o Frenhinoedd Ynys Prydain a farnwyd yn gydarnaf ac yn wrolaf . . .', etc. P. 129 is inscribed 'Achoedd Saint Ynys Prydain o amrafaelion Lyfrau', and, according to notes on the same page, the section following was intended to contain genealogies of British or Welsh saints extracted from three sources, viz. (1) 'Achoedd Saint Ynys Prydain o Lyfr Du Pantlliwydd sef eiddo Mr. Thomas Truman', (2) 'Achoedd Saint Cenedl y Cymry o Lyfr Dafydd Morgan o Aberdar', and (3) 'Achau Saint Ynys Prydain o Lyfr Siencyn Morgan o Benn Rhiw Ferr'. Of these three genealogical lists, however, only the first was actually copied or transcribed (see pp. 131-8). The superscription only of the second list appears on p. 139, and there is no further mention of the third list. Pp. 149-53, under the superscription 'Anecdotes of Beaupre Castle (as it is always called in old MSS.) in Glamorganshire', contain notes on the careers of Llywelyn ap Seisyll, prince of South Wales, 1015-21, and his son Gruffith, prince of South Wales and North Wales, 1021-60, and pp. 165-80 notes on Welsh history based on the narrative in Percy E[n]derbie [: Cambria Triumphans . . . (London, 1661)]. P. 181 is inscribed 'Genealogical Extracts, Historical, relating to The Principality of Wales and more especially to the County of Glamorgan, Collected by Edward Williams', and is followed (pp. 183-208) by genealogical data relating to the Butler and Vaughan families of Dunraven [co. Glamorgan], and the Bassett family mainly of Beaupre [also co. Glamorgan]. Pp. 229-40 contain genealogical data relating to the fifteen (recte I-XVI) tribes of Gwynedd ('Llyma Wehelyth Pymtheg Llwyth Gwynedd . . . ') with annotations relating thereto, and notes referring to the activities of Robert Fychan of Hengwrt as a collector of manuscripts. P. 257 bears the inscription Tigion Hanesiawl allan o hen Lyfrau Achoedd Pendefigion a Bonheddigion Cenedl y Cymry a Chwiliwyd allan gan Iolo Morganwg, B.B.D., Rhann II, 1812’, and is followed (pp. 259-end, previously paginated 1-134) by a miscellany containing miscellaneous genealogical data relating to the ancestors or descendants of, inter alias, lestyn ab Gwrgan, lord of Morgannwg, Ednyved Vychan, Dafydd ap Gwilym, Rhys Brydydd 'o Lanharan', King Arthur, Taliesin Ben Beirdd, Asser Ddoeth, Dafydd Ddu gynllwynwr, and Rhodri Mawr, and to the family of Gawntlo of Tre Gawntlo and associated families; some heraldic material including sections with the superscriptions 'Llyma Arfau y Gwyr anrhaith a ddaethant gyd (sic) Syr Rhobert ab Amon i Forganwg', and 'Llyma Arfau y Pendefigion a ddifeddianwyd o'u Tiroedd a'u Da gan Syr Rhobert ab Amon a'i Farchogion anrhaith'; occasional historical or pseudo-historical data or anecdotes relating to, inter alias, Ieuan ap Lleision and Owain Glyndyfrdwy, Madawc Min, bishop of Bangor, and the betrayal of Llywelyn ap Seisyllt and Gruffudd, his son, Taliesin ab Henwg or Taliesin Ben Beirdd and Elphin, and Rhodri Mawr; and other miscellaneous items.

An imperfect quarto manuscript inscribed in gilt on the spine 'Llyfr Du Pantlliwydd'; the name is probably derived from the colour of the previous binding (see binding note) and from the fact that sometime in the second half of the eighteenth century the volume formed part of the library of Thomas Truman of Pant-y-lliwydd in the parish of Llansanwyr, Glamorgan (see TLLM, tt. 216-17, 220, 315-18). Of the extant folios, pp. 1-204 contain the now incomplete (wanting beginning, end, and contents of a few intermediate leaves) corpus of heraldic and genealogical material believed to have been transcribed or compiled by Anthony Powel of Llwydarth in the parish of Llangynwyd, Glamorgan (see TLLM, tt. 115, 149, 214-18). The contents, pagination in brackets, include notes on the signification in heraldry of various colours such as black, white, and azure, animals such as the boar, dog, stallion, and bear, birds such as the eagle, hawk, owl, and griffin, fish such as the crab, and inanimate objects such as the twelve types of crosses (1-39); descriptions of various heraldic devices and terms with certain rules governing their use (39-60); notes on, or descriptions of, the coats of arms of Brytys, Lokreinys, Albanakdys, Kamber, Dynfwal Moel Myd, Beli, Ythyr Ben Dragon, Arthyr, Kystenin ab Kadwc, Kynan Wledic, Maelgwn Gwynedd, Karedic, Kydwaladr, Ifor, and Ynyr, of the Saxon kings of England from the time of Edbert to the time of 'Saint Edwart Frenin' (also including the Danish rulers Swayn, Knot, and Harknot), and of the Norman kings of England and their successors from the time of 'Wiliam Kwngkwerwr', etc. (61-72); brief descriptions of the arms of some sixty-three British / Welsh kings (including legendary figures), princes, lords, saints, and others, including e.g. Brytys, Beli, Arthyr, Dewi, Teilo, Kradoc Freychfras, Iestyn ab Gwrgan, Rys ab Tewdwr, Ednyfed Fychan, etc. (73-82); brief descriptions of the arms of the Norman conquerors of Glamorgan ('llyma arfay y kwngkwerwyr a fyont ymorganwc'), e.g. Iarll y Klar, Ysbenser, Flemin, Twrberfil, Gamais, etc. (82-5); a list of the names of some one hundred and five, mainly legendary, kings [of Britain] from the time of Brytys to that of Kydwaladr with the names of Henry VII and Henry VIII added at the end (85-7); a list of largely legendary kings of Britain from the time of Brytys ab Silyf to the time of Kydwaladr, the last king, with notes on their attributes, events of their reigns, etc., under the superscription 'Llyma enway y pedwar brenin ar hygain o frenhinoedd ynys brydain a farnwyd yn gydarnaf ac yn wrolaf y gwngkwery ac y adailiad ac y roddi roddion ardderchawc ...' (87-105); a genealogy of Henry VIII tracing his descent in direct male line from Brytys and thence from God (105-8); another briefer genealogy of the said Henry VIII tracing his descent, through male and female ancestors, from Kydwaladr Fendigaid, last king of the Britons (108-9); pedigrees of the mothers of the males appearing in the Henry VIII pedigree (109-14); seventy miscellaneous brief pedigrees the great majority commencing with the words 'Llyma wehelyth' associated with place-names, mainly commote names, such as Abergwyli, Llanfynydd, Kethinoc, Llandybie, Karnwyllon, Kydweli, Kwmwd Perfedd yn Ha ... dion, Kwmwd Perfedd ywch Arfon (Aeron), y Kreyddyn ywch Arfon (Aeron), Myfienydd, Glyn Aeron, Llan Gybi, Llan Ddewi Frefi, Mab Elfyw, Kayo, Mallaen, Penryn Dyfed, Elfed, Hirfryn, Mabynion, Gwinionydd Ywchaeron (Ywch Kerdin, Is Kerdin), Kaer Wedros, Gwidi Gada, Yrwystli, Kaer Sws, Kyfeilioc, Llan Bryn Mair, Brecheinoc, Peytyn, yr Argoed, Yslwch, Aber Ysgyr, Dyllyn Hodni, Lliwel, Ysg ... throc, Tir Rawff, Llanfihangel y Kwmdy, Arth Brengi, and Mon, or directly with personal names and tracing descents from, inter alios, such personages as Elystan Glodrydd and thence Beli Mawr, Gwaith foed, Llawdden, Dinawal and thence Rodri Mawr, Maenerch and thence Koel Godeboc, Brychan Brycheinoc, Kynedda Wledic, Einion Sais, etc. (115-42); an incomplete list of the fifteen tribes of Gwynedd - 'llyma bymthegllwyth gwynedd' (142-5); (continued)

Six brief pedigrees of descendants of Gr. fab ap Gr. Gwyr and thence of Koelgodeboc (145-7); fifteen brief pedigrees six of which commence with the words 'llyma wehelyth' with the place-names Glyn Nedd, Rwng Nedd ac Afan, and Tir Iarll, and one with the phrase 'llyma wehelyth Sir Siôn Wiliam, meistr o siwels y brenin', and all tracing descents from Einion ap Gollwyn and Iestyn ap Gwrgan, followed by two pedigrees tracing the descent of the said Einion from Beli Mawr and the said Iestyn from Brytys (147-54); ten brief pedigrees five of which commence with the formula 'llyma wehelyth' with the place-names Glyn Rodne and Llan Daf or the personal names Siangcin ap Aron, yr Arglwydd Rys ap Tewdwr, and y Dokdor Leison, one with the place-name Seinghenydd, and the others with a personal name, and tracing descents from, inter alios, Maenerch, Koel Godeboc, Maglawn, pryns yr Alben, and Beli Mawr (154-9); notes relating to the legend of the building of the city of 'Troya newydd' by Brytys, first king of the Britons, and its renaming as Kaer Lydd by Llydd ap Beli and as Llyndain (London) subsequent to the Saxon conquest (160-61); similar notes relating to the building of the cities of Kaer Efrawc (York) and Kastell Mynydd, subsequently called Ednbwrch (Edinburgh), by Efroc Gadarn, fifth king of the Britons (161-2); a list of the names, in English and Welsh, of the chief cities allegedly built by the Britons ('enway y prif ddinesydd awnaeth y brytaniaid') (162-4); a maternal pedigree of Gwladys ferch D[afydd] Gam (164-5); genealogical data relating to the Twrberfil (Turberville) family (165-7); a pedigree tracing the descent of Gr[uffydd] Dwn from Epiliws 'hen frenin Dyfed' (167-8); brief notes on the arms of the aforementioned [Gruffydd] Dwn, the Wiriod [family] of Pembrokeshire, Llywelyn Foethys, Brenin Manaw, etc. (168-9); brief pedigrees of Arthyr (on paternal and maternal side), Harri Sant o Winsor (Henry VI), and Llywelyn ap Gr. (170-71); notes relating to 'Bonedd ac anfonedd' (nobleness and ignobleness), the origin of the laws of heraldry, etc. (172- 5); genealogies of the saints of the island of Britain (176-86); a note on the signification of fish in heraldry (186-7); brief descriptions of the arms of Gwalchmai, Bledri, the kings of Maroc, Fraingk, Ysbaen, and Hwngry, the duke of Kornwal, the emperor of Konstinobl, and the emperors of Yr Albaen and Yropia (187-9); genealogies ('llyma wehelyth') of Sir Siôn ap Rys and Meistr Lewys Gwyn (189-90); a note relating to Morgan Amheyryc, the last Welsh lord of Koety, and ? his grandfather Gr' ap Iestyn (190-91); notes on Sioned, wife of Addaf Fychan and subsequently of Ieuan ap Ll', and her two sons (191-2); notes on the five sons of D'd ap Mathay (192-3); miscellaneous genealogies (193-9); genealogical notes relating to the family of Twrberfil, lords of Koety, with a reference to the loss of their 'arglwyddiaeth rial' (iura regalia) by the said lords of Koetty (200-01); a genealogy ('llyma wehelyth') of Hari lewys 'o sain pyr' (202); and brief notes on the arms of the kings of mwroc, ffraink, ysbaen, hwngri, boham, groec, nafarn, napwls, portingal, sisil, seipris, pwyl, ysgotland, and denmark, the duke of kornwal, and the emperors of konsdentinobl, yr albaen, and kripepende (202-04). Page 210 contains twenty lines of Welsh verse in the 'cywydd' metre.

A composite volume consisting of a number of home-made booklets containing miscellaneous items in the hand of Edward Williams ('Iolo Morganwg') bound together. P. 31 is inscribed 'Gwallter Dymapys ar Drin Tir'. Pp. 37-52 contain a short treatise in Welsh on agricultural husbandry with the superscription 'Llyma Lyfr Gwallter Demapys [Walter Map or Mapes, the medieval author, fl. late twelfth century] sef cynghorion hen wr megis y dysgai ac y cynghorai ei ab ynghylch llafuriaw Tir a threfnu ysgrublaid fal hynn'. According to an end note (p. 52) the treatise was copied 'O Lyfr Mr. Richards o Langrallo', but for the opinion that it was compiled by Edward Williams himself and attributed to Walter Map see TLLM, t. 3. P. 53 contains a note, allegedly taken from Thomas Truman of Pant Lliwydd's book of pedigrees, linking Walter Map and his family with the village of Trewallter and parish of Llancarfan, co. Glamorgan, but for the falsity of this claim which is probably an Edward Williams forgery see again TLLM, t. 3. Pp. 54-68 contain a further treatise in Welsh on agricultural husbandry with the superscription 'Cyngor yr Hen Gyrys Megis yr oedd ynteu yn cynghori ei fab fal hynn'. This, according to a note on p. 68, was copied from a volume in the possession of the Reverend Thomas Evans of Brechfa in 1800. For the connection between this and the treatise on agriculture which is to be found in the 'Red Book of Hergest' and which was published in The Bulletin of the Board of Celtic Studies, vol. II, pp. 8-16, see TLLM, t. 3. Pp. 69-196 (previously a separate booklet paginated 1-126) contain (pp. 69-116) genealogical and historical data relating to the saints of the island of Britain described (p. 69) as 'Achau Saint Ynys Prydain o Lyfr Thomas Hopcin o Langrallo a hwnnw yn un o Lyfrau Thomas ab Ifan o Dre Brynn yn yr un Plwyf a ysgrifenwyd gantho ynghylch y flwyddyn 1670', and (pp. 117-82) further genealogical and historical data relating to the said saints described (p. 117) as 'Achau a Gwelygorddau Saint Ynys Prydain o Lyfr Hir Thomas Truman o Bant Lliwydd Plwyf Llansannwr yin Morganwg' and with a concluding note (p. 182) 'O Lyfr hir Tomas Truman o Bant Lliwydd a fuassai yn un o Lyfrau Thomas ab Ifan o Dre Brynn'. Pp. 197-232 contain miscellaneous items including notes relating to 'Cadair Tir Iarll', aspects of Welsh bardism, 'cerddi arwest', the revision by Benwyll arwyddfardd of rules relating to rank and armorial bearings, etc., a few triads, references to 'Cadair Llanfihangel Glynn Afan', 'Cadair Llangynwyd Tir Iarll', 'Cadair y Wennarth', and 'Cadair Cefn Gorwydd', and anecdotes relating to Antoni Pywel and Ieuan Deulwyn. Pp. 233-300 form a booklet inscribed on the outer, upper cover (p. 233) '1808 Prydyddiaeth Cymmysg Iolo Morganwg' and containing (pp. 235-57) free- and strict-metre Welsh poems by [Edward Williams] 'Iolo Morganwg' himself. Pp. 301-32 form another booklet with a 'title-page' inscribed 'Anreg Beirdd Ynys Prydain I blant bychain Cymru . . . Argrafwyd (sic) yn Llundain, 1794. Pris 2d', and with the contents consisting of a list of Welsh proverbs or popular sayings headed 'Glam[organ] proverbs'.

A volume (pp. 5-310) containing items of an extremely varied nature in the hand of Edward Williams ('Iolo Morganwg'). Included, pagination in brackets, are lists or groups of Welsh words, sometimes with English definitions or equivalents or notes (17, 25, 29, 34, 38, 43, 47, 53, 80-82, 89, 102, 125-6, 134, 142, 157, 161, 170, 182, 196, 203, 219-20, 225, 235-6, 238, 242, 245, 247, 263, 282, 292); extracts from Aneurin's 'Gododdin' headed 'Silldorriadau Gododin' (119-20); notes, sometimes very brief, on or relating to Welsh bardism (21, 27, 57, 72, 127, 156, 187, 192-3, 195, 244, 258), song writing (32), the characteristics of the work of Cattwg, Taliesin, and Aneurin (32), the coming of the Cymry to Britain from Deffrobani and their loss of sovereignty to the Romans and Saxons (36), the knowledge of letters amongst the ancient Britons (37), King Arthur's court (46), the 'modern literary dialect of the Welsh' and the medieval prose and verse of South Wales (49), Welsh poetic metres called ' traethodyn milwr', 'traethodyn cwtta', and 'traethodyn chweban' (52), Merfyn Gwawdrych, 9th cent., and his contemporaries (61), the poet Twm ab Ifan ab Rhys, ? early 17th cent. (69), 'cynghanedd' and the Welsh strict poetic metres with references to an 'eisteddfod' in the time of Ifor ab Ifor of Maeshaleg, a bardic assembly at the monastery of Penrys [co. Glamorgan], temp. Edward IV, when Gwilym Tew exhibited an 'awdl', etc. (77- 8), white blackbirds and sparrows seen at Landough and wild canaries at Lantwit [co. Glamorgan] (98), the relinquishment or retention of ancient arts by nations in proportion to their progress (104), Siôn Rhydderch and his Welsh grammar [Grammadeg Cymraeg, 1728] (119), the use of the prefixes an- and di- in Welsh (133), 'Tair Cynghanedd Anianol' (150 ), 'Cynghanedd ewinog' (151), the use of various rhymes and 'cynganeddion' in Welsh (152), bardic 'cadeiriau' of or at Llanfihangel Glyn Afan, 1355, Llangynwyd, 1452, Y Wenar, 1462, and Tir Iarll, 1488 (159), the two sounds of the letter Y in Welsh (160), the bardic 'Cadair Tir Iarll' (185), the construction of 'Coelbren y Beirdd' (242), the bard Owain ap Rhydderch, late 15th cent. (273), and manifestations or representations of God (290- 91); transcripts of Welsh poems or stanzas of Welsh poems or extracts therefrom attributed to Llelo Llantrisaint sef Llywelyn ap Hywel ap Ieuan ap Gronw (23), [Edward Williams] 'Iolo Morganwg' (50, 68, 82, 87, 217), ? Twm ab Ifan ab Rhys (69), Llawdden (129-30), Wm. Moses (149), Taliesin (240, 242), Thos. Daf. Miles (266), Syr Roger Cyffin 'offeiriad Llanberis' (267), and Risiart Fychan 'o Gors y Gedol' (268); transcripts of unattributed Welsh poems including stanzas of hymn-tunes (23-4, 30, 34, 45, 51, 104, 115, 116, 121, 128, 1311, 148, 175, 191, 213, 232-3, 234, 274 + 283, 278-80); transcripts of English poems (107, 197, 212, 261, 284 + 273); miscellaneous Welsh triads (33, 172, 206, 247); short lists of Welsh proverbs or proverbial sayings (48, 167, 176, 231, 293); a prescription for the cure of rheumatism (50); an anecdote relating to the struggle between Caradawc ab Bran ap Llyr and the Romans, the burning of forests in Britain, and the building by Manawydan fab Llyr of a prison called 'Carchar Oeth ag Anoeth' from the bones of those slain in battle, allegedly extracted from [a manuscript called] the 'Yniales' (65-8; for another copy of the anecdote see NLW MS 13152A above); a prefatory note to an intended collection of proverbs, moral aphorisms, etc., allegedly composed or compiled by Cattwg Ddoeth (73-4); a list of old Welsh musical instruments ('Offerynau Cerdd arwest yr hen Gymry') (80); a transcript of the opening paragraph of an alleged version of 'Gramadeg Einiawn Offeiriad' (83); notes on (a) the situation and extent, and (b) the divisions of the county of Glamorgan being sections 1 and 2 of a projected chapter to be headed 'Geographical State and Circumstances' which presumably would have been Chapter 1 of a work on the said county (91-2); an incomplete list of bardic, literary, and other topics in English and Welsh, e.g. 'Cannons of Etymology', 'Miscellanies relating to Welsh poetry', 'Achau Saint Ynys Prydain', 'MSS. in Jesus College Library', under the superscription 'Collecting Sheets 8vo' (99); a list of nine topics such as 'Diarhebion Morganwg Annosparthus', 'Mangofion Gwynedd 1799', etc. (101); (continued)

A list of thirteen topics, e.g. 'Princes of Southwales', 'Anecdotes of Howel Dda', 'Meddygon Myddfai', etc., headed 'For Mr. Rees, Caermarthen' (105); copies of memorial inscriptions ? in St. Athan parish church (107-08); a list of six rules headed 'Unitarian Discipline' (113); a list of fifteen topics or personal names of a varying nature, e.g. 'Llangyndeyrn Marble at Caerm[arthe]n', 'Donne the Satirist', 'Taly Llycheu Church, D.G.' (114); a list of eight 'Ysgriflyfrau gan Iolo Morganwg 1800' (127); a list of Welsh proverbial sayings or advisory precepts some in verse form and some attributed to Cattwg Ddoeth (141, 144-6); a list of the names of six series of Welsh triads (147); a list of the names of thirteen persons headed 'Selfeducated persons in Glamorgan Vale' and a second list containing the names of eight persons headed 'Glamorgan Mountains' the persons named in this list apparently belonging to the same category as those in the first list (158); a list of eight topics or items, e.g. 'Llythyrau Dafydd o'r Nant', 'Rheolau Tudur Aled', etc., which were to be included in an unspecified work (164); brief genealogical data relating to the family of Einiawn Offeiriad (171); a list of Welsh 'Enwau Llefydd' ( 172); brief incomplete notes relating to the development of Welsh literature headed 'English Preface to Cyfrinach y Beirdd' (214); an explanatory note on 'cynghanedd groes' in the form of question and answer between pupil and master (251-2); a draft of a memorial and remonstrance to the members of, and subscribers to, the 'Fund of the South Wales Unitarian Society for the Diffusion of Christian Knowledge' expressing concern at irregularities in the conduct of the society (265 + 260); patterns or examples of metres and metric lines headed 'Specimens of Welsh Lyrics and Verse' (262); a list of the names of six Welsh bards, 1650-80, to refute L[ewis] Morys's assertion that no good 'cywydd' had been written since the reign of Elizabeth (267); brief notes on the activities of [John] Poyer and [Rowland] Laugharne in the Civil War in South Wales and a list of English sovereigns, 1603-1760 (269); ? observations on a proposed 'Essay on the Ancient Welsh Literature', etc. (271); synopses of the contents of ? six chapters of a proposed 'Collection for a New History of Wales from Ancient Welsh MSS.' ('On the Origin of the Cimbri', 'Principles of Ancient British Government', 'The Ancient Institution of the Bards', etc.) (272); music for an unspecified air (296); and notes and a sketch relating to a plan of a 'meeting house, octagonal or circular' (298). Some of the notes, etc., have been written on the verso or in the margins of a copy of a printed notice by White and Barnards, Barge Masters, advertising their services, 1800 (100), a copy of a printed notice issued by the Caslon Letter Foundry, London, advertising their preparedness to provide printing types and materials (123), imperfect copies of a printed leaflet, 1797, announcing an 'eisteddfod' to be held under the patronage of the Gwyneddigion Society in 1798 (142-3, 204-05), a copy of printed proposals, 1811, for a new edition of 'The History of Wales written originally in Welsh by Caradoc of Llancarvan translated into English by Dr. Powell and augmented by W. Wynne' (194 + 191), 'An Exemplification of Masons' Work done for Robert Jones, Esqr., of Fonmon Castle . . . Burton Causway by William Baker, Mason, 1813 and 18[14] as attested by Thos. Raecliff and Edward Williams in 1814 (198-9, 210-11), a ? holograph letter from R. Evans from Cowbridge to . . ., undated (personal) (220-21), an account for goods purchased by E. Williams [? 'Iolo Morganwg'] from James Bradley, chemist, Cowbridge, in 1816 (226 + 239), a printed calendar of prisoners in ? Cardiff Gaol, ? 1803 (227 + 238), a copy of printed proposals for publishing George Dyer's Memoirs of the Life and Writings of . . . Robert Robinson of Chesterton (234 + 231), and a ? holograph note from Thomas William to Edward Williams [? 'Iolo Morganwg'], 1814, informing him that Christopher ? James wished to see him (259 + 266).

A composite volume containing a miscellany of literary and historical material, etc., in the hand of Edward Williams ('Iolo Morganwg') including pp. 1-13, an outline plan drawn up by Edward Williams in 1806 for setting up a committee and employing paid research workers with a view to publishing 'A Complete and Superb History of the County of Glamorgan' (see also NLW MSS 13103B, 13114B above); 17-22, brief topographical and historical notes on Glamorganshire; 25-33, notes on the princes of Glamorgan from the time of Morgan Mwynfawr to the time of Iestyn ab Gwrgan; 41-51, extracts from [John] Leland's Itinerary relating to cos. Glamorgan and Monmouth; 57-81, genealogical and historical extracts from Panton MS 15 (now NLW MS 1984A); 82-91, further genealogical data relating to the saints of Britain ('Bonedd Seint Ynys Prydain o Lyfr Mr. Elis'); 91-3, notes on the nine kings of Glywysyg 'sef y wlad a elwir y weith horn Cantref Gwaunllwg yrwng Afon Wysg . . . ac Afon Elerch' (see also NLW MS 13106B above); 93-4, two versions of an anecdote relating to Urien Rheged; 105-06 + 111-12, a printed copy of the resolutions of a committee of the Cambrian Society in Gwent held 10 May 1822 concerning arrangements for an 'eisteddfod'; 107-09, notes relating to two 'eisteddfodau' held at Carmarthen [?1451] and 1461; 113-15, a record of 'Remarkable frost in Britain', A.D. 220-1788; 117-29, notes headed 'Rural knowledge' containing miscellaneous information on a variety of topics, e.g. the growing of hawthorn hedges, manures, the making of carrot marmalade, the planting of potatoes, carrots, etc.; 131-3, anecdotes relating to Inigo Jones ? extracted from [Horace] Walpole: Anecdotes of Painting [in England]; 134- 41, copies of two letters, 1797, [from Edward Williams] to Sir Richard Hoare, Bart., Stourhead, Wiltshire, the first reciting a traditional story concerning the brothers William and Richard Twrch and the latter's work as a stonemason at Bewper (Beaupre) Castle [co. Glamorgan] (see also NLW MSS 13089E, 13103B above), and the second relating mainly to ancient memorial inscriptions at Lantwit Major including inscriptions on a stone unearthed by the writer in the churchyard there; 149-65, a transcript of notes relating to Saint Illtud, the ancient school and monastery founded at Llanilltud, and the abbots of the said monastery allegedly compiled by the Reverend David Nicholls in 1729 (see also NLW MS 13114B above); (continued)

163 (2) -74, further notes [? by Edward Williams] on Saint Illtud and the school and monastery at Llanilltud, and a transcript of the inscriptions on the 'Cross of Iltutus' at the said place, etc. (see again NLW MS 13114B above); 175-8, notes in English, in the hand of Taliesin Williams, on the nine kings of Glewiseg (see pp. 91-3 of the present manuscript); 183-4, an account of the division of Glamorgan between Syr Rhobert fab Amon and his twelve Norman knights (written on the blank verso of a printed sheet, 1797, proclaiming an 'eisteddfod' to be held in Caerwys [co. Flint] in 1798 under the patronage of Cymdeithas y Gwyneddigion); 188-201, extracts relating to members of various branches of the English peerage, e. g. earls of Gloucester, Worcester, Leicester, Pembroke, etc.; 204-26, an alphabetical list of names of persons (historical, pseudo-historical), names of places, elements in place-names, etc.; 228-31, notes relating to medieval lords of Gower; 234-5, genealogical data relating mainly to the Gawntlo family; 236-9, historical data relating to the lordship of Glamorgan ('Morganwg') in the twelfth and thirteenth centuries; 248, an extract from a letter, 1698, from John Lloyd ap Huw from Bryn Blaen y Ddol, Meirionethshire, to Edward Llwyd of the [Ashmolean] Museum relating to stone circles and 'cistfeini' (see NLW MS 2029B); 248-55, miscellaneous extracts including names of ancient kings of Gwent, Glamorgan, Ercyng, Glewisig, and [Brycheiniog], notes on St. Illtud, etc.; 256-80, an alphabetical list of Welsh poets, 5th-late 17th cent., with dates when they flourished and occasional biographical notes extracted 'o Lyfr y diweddar Barchedig Mr. Dafydd Ellis o Amlwch ym Môn'; 280-85, addenda to the list contained in pp. 256-80; 286-7, notes headed 'Bonedd ag anfonedd' extracted from Panton MS 63 (now NLW MS 2029B); 287-9, further addenda to the list in pp. 256-80; 292-9, a copy of the words of a 'Song for the Glamorgan Volunteers . . . By Edward Williams' with notes on the text (see also NLW MS 13089E); 309, notes from Nennius relating to the 'origin of the Britons'; 316-18, brief notes on a few ancient inscriptions in Glamorganshire, Breconshire, etc.; 324-6, extracts from the Liber Landavensis; 332-3, proposals for publishing 'Traethawd ar Areithyddiaeth o Saesneg y Dysgedig Dr. Blackwell gan Iolo Morganwg'; 336, a note on Dafydd ap Gwilym; 338-41, extracts from [Thomas] Astle: The Origin and Progress of Writing [2nd ed.], 1803; 346-59, notes on the erection of cob walls, the use of clay ashes and coal ashes in mixing mortar, rough casting, the erection of rough stone walls, ashlar fronts, varieties of stone for building in Glamorgan, the mixing of mortar, pointing, outside plastering, and the making of mortar floors; 364-7, notes relating to the history of South Wales in the eleventh century; 373-4, a table tracing the line of chief poets of Morgannwg with their disciples from the time of Dafydd ap Gwilym to the time of Siôn Bradford, circa 1780; 378-9, advice re the planting of orchards in Glamorgan; 384-7, notes on the topography, etc., of Glamorgan; 394-421, extracts from [William] Camden: Britannia (ed. Edmund Gibson) relating to inscribed stones in Wales, and 'Antient Gallick words collected out of Roman Authors compared with the Welsh', etc.; 426- 30, miscellaneous genealogical and historical data; 431, a note relating to the 'eisteddfod' held at Caerwys, co. Flint, in 1523 or 1524; 432-4, a list of poets and authors of cos. Denbigh, Merioneth, Caernarvon, and Anglesey 'ar a oedd ar unwaith an cyfoes ni yn canu ar eu bwyd i hun mal y mae y ddiareb yn fonheddigion ag uchelwyr da'; 435-6, extracts from the Liber Landavensis; and 438-49, lists of towns, markets, villages, seaports, and bays or inlets in co. Glamorgan, and notes on 'Native fruits of Glamorgan', etc.

A composite volume, pages 1-74 being in the hand of William Owen [-Pughe], pp- 75-90 in the hand of Evan Evans, 'Ieuan Fardd', and the title on p. 115 in the hand of Lewis Morris. The contents include: pp. 1-24, 'Golygiad ar farddoniaeth Lewis Glyn Cothi', being a catalogue of 223 poems [apparently based on the collection in B.M. Add. MS 14963], with some brief observations; pp. 29-31, a list of some parishes and divisions in Wales; p. 33, 'Awdl a gant Hywel ab Owain Gwynedd' beginning 'Dyn [sic] dewisy riein virein veindec . . .'; pp. 35-8, an incomplete index to the poems published in Owen Jones & William Owen, Barddoniaeth Dafydd ab Gwilym (Llundain, 1789), tt. 1-166; pp. 40-52, a list of the names of British saints; pp. 54-69, a further list of saints with their descent; pp. 71-4, a list of titles of the poems of [Dafydd ap Gwilym], most of which are crossed out; pp. 76-89, transcripts of 'Gwaith Argoed Llwyfein' by Taliesin, 'Arwyrein Owain Gwynedd' by Gwalchmai, and 'Marwnad Llywelyn fab Gruffudd' by Bleddyn Fardd, with parallel Latin translations; p. 90, a note by Evan Evans in Latin concerning Llywelyn ap Gruffydd and Madoc Min; pp. 91-114, four 'cywyddau' by 'Ieuan Fardd' ('Ieuan hirfardd', 'Ieuan ap Siencyn Ieuan'), [i.e. Evan Evans, 'Ieuan Brydydd Hir'), one dated 1752, and two by Gronwy [sic] Owen, one also dated 1752; pp. 115-17, 'Hyriad it Offeiriad o Dregaron, am ddywedyd nad oedd ym marwnad Ffredrig Tywysog Cymru nag Iaith na Chynganedd. 1752' by 'Ieuan Fardd', see infra, pp. 93-7.

Transcripts of 'Trioedd Ynys Prydain' and 'Bonedd y Saint neu Achau Saint Ynys Prydain'.