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A seventeenth century collection of 'cywyddau' including poems by Bedo Aeldrem [sic], Dafydd ab Edmwnt, Dafydd ab Gwilym, Dafydd Nanmor, Dafydd Nanconwy, Deio ab Ieuan Du, Edmwnd Prys, Gruffydd ap Ieuan ap Llywelyn Fychan, Gruffudd ap Dafydd ap Hywel, Gruffudd Gryg, Gruffudd Hiraethog, Guto' r Glyn, Huw Dafydd Llwyd o Gynfal, Huw Arwystli, Huw ap Rhys Wyn, Huw Pennant, Hywel ap Rheinallt, Hywel Cilan, Ieuan Dyfi, Ieuan Llwyd Brydydd, Ieuan Gethin ap Ieuan ap Lleision, Ieuan Brydydd Hir, Inco Brydydd, Iolo Goch, Iorwerth Fynglwyd, Lewys Daron, Lewis Glyn Cothi, Lewys Môn, Lewis Menai, Maredudd ap Rhys, Morgan ap Huw Lewys, Morys ab Ieuan ab Eigan, Morus Dwyfech, Owain Waed Da, Rhys Goch Glyndyfrdwy, Rhys Goch Eryri, Rhys Pennardd, Rhisiart Gruffudd ap Huw, Rhisiart ap Hywel Dafydd, Robert Leiaf, Simwnt Fychan, Siôn Brwynog, Siôn Cent, Siôn Phylip, Siôn Mawddwy, Siôn Tudur, Sypyn Cyfeiliog, Syr Dafydd Trefor, Syr Huw Jones, Tudur Aled, and William Llŷn; 'cywyddau' and 'englynion' on the psalms; 'cywydd byr hanes . . . Crickieth'; an englyn by John Lloyd, Llysfasi. The manuscript belonged at one time to Lewis Morris, who filled in gaps, adding notes and some new material.

Cywyddau and other poetry by Robin Ddu, Sion Ceri, Gronw Ddu o Fôn, Dafydd Llwyd ap Llywelyn ap Gruffudd, Maredudd ap Rhys, Guto'r Glyn, Iorwerth Fynglwyd, Rhys Goch Eryri, Wiliam Llŷn, Dafydd ap Gwilym, Tudur Aled, Owain ap Llywelyn ap Moel y Pantri, Lew[y]s Morganwg, Dafydd Nanmor, Gruffudd Gryg, Iolo Goch, Sion ap Hywel, Lew[y]s Môn, Gruffudd ab Ieuan ap Llywelyn Fychan, Ieuan Deulwyn, Gruffudd Llwyd ab Ieuan, Siôn Tudur, Ieuan ap Rhydderch, Tudur Penllyn, Gruffudd Llwyd ap Dafydd, Siôn Cent, Gruffudd ab yr Ynad Coch, [Sir] Rhys ap Thomas, Hywel Swrdwal, Aneirin [Gwawdrydd], Lew[y]s Glyn Cothi, Ieuan Du'r Bilwg, Robert Leiaf, Gruffudd Hiraethog, Deio ab Ieuan Du, Dafydd ab Edmwnd, Ieuan ap Gruffudd Leiaf, William Cynwal, Llawdden, Ieuan Gethin ab Ieuan ap Lleision, Llywelyn ap Maredudd ab Ednyfed, Hywel Aeddren, Hywel ap Dafydd ab Ieuan ap Rhys, Morgan ap Huw Lewis, Sion Brwynog, 'Huw Llwyd', Roger [C]yffin, Daniel ap Llosgwrn Mew, Bleddyn Fardd, Dafydd Baentiwr, Gruffudd ab Ieuan ap Rhys Llwyd, Sion ap Hywel [ap Llywelyn] Fychan, Siôn Phylip, S[i]r Owain ap Gwilym, Syr Hywel o Fuellt, Rhys ap Hywel ap Dafydd and Ieuan Castell.

'Cywyddau', 'awdlau' and carols by Huw Arwystli, Owain Gwynedd, Syr Owain ap Gwilym, Siôn Phylip, Ieuan Llwyd, Hywel Cilan, Edwart Urien, Lew[y]s Glyn Cothi, Rhys Cain, Dafydd ap Gwilym, Mathew Brwmffild, Ieuan Dew Brydydd, Dafydd Nanmor, Lewis Trefnant, Huw Machno, Sion Tudur, Guto'r Glyn, Sion Cain, Gruffudd Llwyd ap Dafydd ab Einion, Sion Mowddwy, Edmwnd Prys, Wiliam Llŷn, Richard [Rhisiart] Phylip, Sion Cent, Syr Phylip o Emlyn, Rhys ab Ednyfed, Iorwerth Fynglwyd, Syr Dafydd Trefor, Hywel ap Dafydd ab Ieuan ap Rhys, Tudur Penllyn, Deio ab Ieuan Du, Tudur Aled, Mastr Harri, Robin Ddu, Mor[u]s ab Ifan ab Einion, Edwart ap Rhys, Sion ap Rhys ap Llywelyn, Dafydd ab Edmwnd, Rhys ap Huw ab Ednyfed, Rhydderch ap Sion Llywelyn, Thomas Vaughan, William Vaughan, Sion Benddu, Gruffudd Gryg, Taliesin, Ieuan ap Hywel Swrdwal, Iolo Goch, Rhys ab Ednyfed and Bedo Hafesb; 'englynion', triads and recipes.

A volume containing a transcript by William Jones ('Bleddyn'), Llangollen of 'cywyddau', etc. by Edward Morus, Dr Gruffudd Roberts (Milan), Dafydd Nanmor, Dafydd ab Edmwnd, Wiliam Llŷn, Rhys Cain, Iolo Goch, Robin Ddu, Sion Brwynog, Dafydd ab Ieuan ab Owain, Cadwaladr Cesel, Ieuan Môn, Guto'r Glyn, Gruffudd ap Llywelyn Fychan, Syr Dafydd Trefor, Ieuan ap Madog ap Dafydd and Gruffudd Llwyd ap Dafydd ab Einion [Llygliw].

Two fragments (pp. 170-94 and 107-32), the first containing copies of 'cywyddau' by Iolo Goch and Dafydd Llwyd ap Llywelyn ap Gruffudd o Fathafarn, and the second containing a brief vocabulary (Sae to Silltaerau); an extract from a letter written by John Jones, Dyfynog, to Edward Lhwyd, 10 May 1706, with copies of enclosures ('Bonedd ac Anfonedd'; 'Achoedd Syr Rhys ap Thomas, a list of owners of manuscripts); and 'cywyddau' by Dafydd Llwyd ap Llywelyn ap Gruffudd and Iolo Goch.

'Geirlyfr William Lleyn'; 'Bardhoniaeth ... William Middelton'; pedigrees and arms, mainly of North Wales families; 'cywyddau', 'awdlau', etc. by Adda Fras, Iolo Goch, Maredudd ap Rhys, Robin Ddu, Rhys Nanmor, Gwilym ab Ieuan Hen, Dafydd Gorlech, Tudur Aled, Gruffudd ab Ieuan ab Llywelyn Fychan, Wiliam Llŷn, Sion Cent, Sion Tudur, Thomas Prys, Lewis Menai, Gruffudd Phylip, Richard Cynwal, Edmwnd Prys, Wmffre Dafydd ab Ifan, Wiliam Phylip, Sion Bryncir, Siôn Phylip, Richard Phylip, Sion Dafydd Lâs [John Davies], Watcyn Clywedog, Mor[u]s Dwyfech [Morus ap Dafydd ab Ifan ab Einion], Huw Lewis, Dafydd ap Hwlcyn ap Madog, Rhisiart Brych, Dafydd Jones ('Ficer Llanfair-Dyffryn-Clwyd'), Owen Gruffydd, Sion Lleyn [John Roberts], Taliesin, Rhys Goch Eryri, Dafydd Llwyd ap Llywelyn ap Gruffudd, Sion Roger, Sypyn Cyfeiliog [Dafydd Bach ap Madog Wladaidd], Bedo Brwynllys, Mathew Owen, Edward Morus, Huw Mor[y]s, Ieuan Dew Brydydd, Huw ab Ifan, Robert Davies (Nantglyn), Robin ab Iorwerth, Rolant Huw (Graienyn), Dewi Wyn [o Eifion] [David Owen], Griffith William (Braichtalog), Goronwy Owen, John Thomas (Pentrefeidiog) [i.e. Pentrefoelas], M[organ] D[avies], Griffith Puw, Dafydd Jones ('Tailiwr'), William ab Edward ('o'r Bennar'), Thomas Edwards ['Twm o'r Nant'], Lewis Morris, Ieuan Llwyd [Brydydd], Rhys Llwyd [Pant-y-piod], Rolant [Rowland] Jones (Pandy) [Roli Penllyn], Hugh Jones (Llangwm), John Jones [Jac] (Glan y Gors) and W[illiam] Jones [Bardd Môn]; 'englynion' by several authors; material relating to persons and places in Merioneth.

An incomplete volume (ff. 1-85, 176-243) consisting largely of cywyddau and englynion by Sion Kent, Sion Tudvr, Grvffydd Grvg, Meredith ap Rees, Will'm ap Sion ap D'd, Gruff' Hiraethog, Will'm Llynn, Huw Arwistl, D'd ap Edmwnd, D'd ap Gwilim, Rob't Leiaf, Rys Goch or Yri, Mastr Hari, Ifan Tew Brydydd, Gytto Glyn, Sion Philipp, Roger Kyffyn, Ievan Fychan, Sr. Davydd Trevor, Tudur Penllyn, Rowland Fychan, Tomas Prys, Evan Tudvr Owen, Ievan Brydydd Hir, William Elias, Tudur Aled, Gruff' ap Ievan, Rys Pennarth, Bedo Aerdrem, Bedo Brwynllys, Iolo Goch, Ellis Rowland, Howel ap D'd ap Ievan ap Rys, D'd Namor, D'd Ddv o Hiraddvc, Lewys Glyn Kothi, Howel ap Ievan ap Rys, Owen Gruffydd, Michael Prichard, Edmwnd Price, Hughe ap Ed'd Lloyd, Rice Kain, Richard Hughes, [Richard Davies] 'Escob Dewi', Ed'd Maelor, Ievan ap Tudvr Penllyn, Harrie Howell, Sion Kain, and Robin Ddv. Towards the end of the volume there are short texts such as englynion in Latin, 'llyma gas bethav Owain Kyveiliog', 'xxiiij gwell', 'Geirie gwir Taliesin', triads, proverbs, the nine grades of kinship, medical recipes, 'Llyma henwau y pedair Caingc ar ddeg Cydwgan a Cyhelyn', and 'Henwau'r pedwar Gosdeg Cerdd dannau'. The greater part of the manuscript was written in the seventeenth century; but there are additions and marginal notes to the nineteenth century. There is an index ('Tabl y llyfr') to ff. 1--76, in a seventeenth century hand. Between ff. 4 and 6 are inserted two leaves (pp. 129-30, 135-6) of David Jones (Trefriw) (ed.): Cydymaith Diddan (Caer Lleon [1766]).

A composite manuscript volume lettered on the spine 'MSS. Collections Relative to Wales, II', being a companion volume to, and a continuation of, NLW MS 6209E, which is also a composite manuscript (sections numbered I-XIII) bound in a similar manner and lettered on the spine 'MSS. Collections Relative to Wales, I'. It appears that the two volumes originally formed one folio manuscript belonging to Edward Lhuyd made up of transcripts by his assistants, contributions by Henry Rowlands and Hugh Thomas, and fragments of earlier manuscripts (see pp. 14-15 of NLW MS 13918F, 'Catalogue of Welsh M.S.S. in Beechwood Library by the Reverend Mr John Jones [?1746-1827] M.A. Fellow of Jesus College Oxon, 1781', i.e. part of the Sebright collection. The contents include: pp. 1-38 (XIV), a copy of [George Owen's] 'Treatise of Lordshipps Marchers in Wales . . .' from a 'MS. Borrowed of Mr. Will. Jones, Rector of Lhangower. . .'; 39-100 + 207-08 (misplaced) (XV-XVI), transcripts of Welsh poems attributed to William Phylip, Ievan Ddu'r Bilwg, H'l ap D'dh ap Ievan ap Rhys, Howel Davi, Bedo Brwynllys, Gytto'r Glyn, Ievan Deulwyn, Rhys Lhwyd ap Rys ap Rhiccard, Lewis Glynn Kothi, Gwilym ab Ievan Hen, Davydd ap Howel, D'd Lhwyd ap Lle'n ap Gr., Ieuan ap Ho'll Swrdwal, Davydd Epynt, Lewys Môn, Edward Urien, Gyttyn Owain, Ierwerth Beli, Bleddyn Vardd, Llygat Gwr, Meilir Brydydd, Llywelyn ap Ho'll, Prydydd y Moch, Gwalchmai, Symwnt Vychan, Iolo Goch, Syppyn Kyfeiliog, Tudur Aled, Deio ab Ivan Ddu, Rhys Goch o'r Yri, Llywelyn Moel o'r Pantri, Ivan Tudyr Penllyn, Ievan Brydydd Hir and Tudyr Penllyn, and of prose items with the superscriptions 'Llythyr i ofyn Rhwyd berked', ['Y Tri Thlws ar Ddeg'], 'Dewis Bethau Howel Lygad Gwr', 'Y Pedwar Marchog ar Hugain oedd yn Llys Arthur', 'Ymadrodd yr Henwr', 'Breuddwyd Ivan ab Adda ab Davydd . . .', 'Breuddwyd Ierwerth ab Adda ab D'd', and 'Llythyr i ofyn palffon', partly from manuscripts in the possession of John Lloyd of Aber Llyveni; 101-40 (XVII), transcripts of Welsh prose and verse items, mainly vaticinatory, attributed to Taliessin, Robin Ddy, Gryffydh ap Ieuan, Rhys Nanmor, Merdhyn, Adha Vras, Hinin Vardh, Ie'nn Drwch y Daran, D'd Nanmor, and Davydh Lhwyd; 141-206 (XVIII), transcripts of Welsh verse and prose items, again mainly vaticinatory, attributed to Taliesin, Merdhyn Wylht, Iolo Goch, Davydh Llwyd, Merdhyn Emrys, Adha Vras, Ievan Trwch y Daran, Davydh Nanmor, Ie'nn Hir, Lh. ap Owen, Meredydh ap Rhys, Rhys Goch o'r Yri, Lewys Glynn Kothi, Raph ap Robert, and Bardh Bergam; 213-35 (XIX), genealogical and historical material including genealogies of Welsh saints , '. . . hiachau [sic] pump brenhin llwyth Kymru', '. . . Iachau [sic] pymthek llwyth Gwynedd', a list of the daughters of Ronow Llwyd ap y Penwyn', etc.; 239-54 (XX), a copy, 'transcrib'd from ye original at Owlberry near Bishops Castle, Anno 1698', of an inspeximus and confirmation, 4 March [?1508], of charters granted to the abbey of Strata Florida (see S. W. Williams: The Cistercian Abbey of Strata Florida (London, 1889), Appendix, pp. lxxiv-lxxv, and Calendar of Patent Rolls, Henry VII, vol. II, p. 567); 257-66 (XXI), transcripts of Welsh poems attributed to Prydydd y Moch, Gr. Lloyd ap D'd ap Einion, D'd Nanmor, D'd ap Gwilym, Guto'r Glynn, Kynddelw, Ievan Du y Bilwc, Bleddyn Vardd, Rys Goch or Eryri, Daniel ap Llosgwrn Mew, and Gwalchmai, from '. . . Cod. MS. Mod. in Chart. penes Dominum Rob't Pugh de Kevn y Garlheg in paroch. Lhan St. ffraid apud Denbigh'; 267-70 (XXII), 'Addenda Grammaticae D.J.J. ex Libro MS. D. R. V. penes D. R. P.'; 271-9 (XXIII), transcripts 'Ex Cod. Chart. penes D. Joan Lloyd de Aber Lhyveni' of Welsh poems attributed to Lewys Glynn Kothi, Gwilim ap Ie'nn Hen, Ievan ap Tydyr Penlhyn, Lhewelyn Goch ap Meirig Hen, and Tydyr Aled; 283-305 (XXIV), transcripts of (a) 'Ystori Gryffydd ap Cynan Brenin Gwynedd' from 'Cod. M.to Chart. pe[nes] Dom. R. Davies de Lhan[erch] convenit cum cod. antiquo me . . . penes D. Jo. Wyn . . ., Watstay', (b) 'Interdictio Papae adversus Lewelinum . . . fillium Ierwerth . . .', and (c) 'Literae Lewelini Principis Walliae ad Clerum Angliae apud London Convocatum', 1275; 307-11 (XXV), transcripts of 'cywyddau ymryson' exchanged between Owen Gwynedd and William Llyn; (continued)

315-400 ( XXVI), a copy of a Welsh-Latin vocabulary entitled 'Geiria Tavod Comroig. Hoc est Vocabularium Linguae Gomeritanae . . .' compiled by Henry Salesbury, with a list of the authors on whose works the vocabulary was based, and a list of 'Geiriau o Hen Gymraeg a'i Deongliad', etc., by the same author; 403-04 (XXVII), an incomplete copy of 'Braint ac Ystatus Griff. ap Kynan a Bleddyn ap Kynvyn'; 405-06 (XXVIII), a version of the prologue to, and a list of the court officials listed in, a Latin text of the Laws of Howel Dda; 409-65 (XXIX-XXX), a transcript of sections of the 'Red Book of St. Asaph' (see also Peniarth MS 231, NLW MS 7011D, MS SA/MB/2); 469-86 (XXXI), a copy of the 'Statutes of the Cathedrall Church of . . . Chester set forth by . . . Henrie the 8'; 489-505 (XXXII), extracts [from a version of Nennius' 'Historia Britonum']; 509-38 (XXXIII), seventeen chapters (Welsh) of pseudo-history and description of the Isle of Britain, supplementary notes on place-names, the wonders of Scotland and Ireland, and the conversion of the nations of Britain to Christianity, and a list of 'yr naw helwrieth'; 539-40 (XXXIV), lists of, and notes on, Welsh musical measures; 541-55 (XXXV-XXXVI), a list of Welsh triads ('Llyma drioedh mab y krinwas'), accounts of 'redditus assisus' of the vills of Colshull, Eulowe, Baghegr, and Rothelan, a list of the 'Consuetudines Molend' de Dee' from 'an old book of Ed'd Whitby, recorder of Chester', a list of those who rendered 'Homage and Fealty . . . to ye Prince of Wales', 29 Edward I, etc.; 557-63 (XXXVII), two lists headed 'A table for ye rest of ye contents of this book' and 'A table belonging to Coch Assaph' (for the contents of sections XXXI-XXXVII cf. the relevant parts of NLW MS 7011D); 569-95 (XXXVIII), replies [by Henry Rowlands to Edward Lhuyd's] parochial questionnaire in respect of the parishes of Llanidan, Llanedwen, Llanddeniel, Llanvair pull gwingill, and Llandysilio, co. Anglesey, partly in Rowlands's own hand; 597-9 (XXXIX), an account of 'A strange showre of Haile fallen in Anglesey and Carnarvonshire' in 1697; 601-05 (XL), extracts (Latin) with the superscription 'De Belli Marisci Origine . . .'; 607-09 (XXXVIII misplaced), notes on the words 'bod', 'caer', 'tref', etc. (pp. 597-609 probably in the hand of Henry Rowlands); 611-22 (XLI), 'A scheme of the wind and weather att Llanberis', 1 March [16]9[6] to 28 February [1697]; 623-52 (XLII), pedigrees of families in cos. Denbigh and Flint in the hand of Lewis Dwnn (described by J. Gwenogvryn Evans as a detached portion of Peniarth MS 268; see J. Gwenogvryn Evans MS 70A in the National Library of Wales, also Report on Manuscripts in the Welsh Language, vol. I, p. 1090); and 653-97 (XLIII), a copy, partly holograph, of an essay on 'The Parish of St. John Evangelist and Burrough of Brecknock' by Hugh Thomas (cf. NLW MS 777B). Holograph notes by Evan Evans ('Ieuan Fardd') on NLW MS 6209E and this volume, compositely described as MS I in the 'Seabright Collection, being Edward Lhuyd's MSS', appear in Panton MS 7 (NLW MS 1976) (see Report on Manuscripts in the Welsh Language, vol. II, p. 807 and a calendar description by J. Gwenogvryn Evans of this volume alone, described as the 'Nanhoron MS', is included in J. Gwenogvryn Evans MS 70A.

'Cywyddau', etc., by Sion Tudur, Gruffudd Hiraethog, Rhys Cain, Wiliam Llŷn, Ieuan Dew Brydydd, Mastr Harri ('nai ir dywededig Ievan tew'), Gruffudd ab Ieuan ap Llywelyn Fychan, Tudur Aled, Lewis Môn, Dafydd ap Gwilym, Dafydd Nanmor, Maredudd ap Rhys, Sion ap Hywel, Sion Phylip, Gutun Owain, Llawdden, Lewis Glyn Cothi, Morys Cyfiin, Iorwerth Fynglwyd, Syr Dafydd Trefor, Robin Clidro, Iolo Goch, Sion Cent, Llywelyn Goch ap Meurig Hen, Bedo Aeddren, Dafydd ab Edmwnd, etc.

'Llyfr Cowyddeu i Mr. William Wynn o Langoed yn sir fon'. 'Y Llyfr hwnn a scrifennodd William Davies Curat or plwy yn y flwyddyn o oedran yr Arglwydd: 1642'. It contains 'cywyddau', 'awdlau', and 'englynion' by Sion Cent, Iolo Goch, Syr Owain ap Gwilym, Syr Dafydd Trefor, Sion Phylip, Dafydd ap Gwilym, Ieuan ap Gruffudd Leiaf, Dafydd Nanmor, Llywelyn ap Hywel ab Ieuan ap Gronw, Edmwnd Prys, Huw Cowrnwy, Dafydd ap Dafydd Llwyd, Maredudd ap Rhys, Gruffudd Llwyd ap Dafydd ab Einion, Sianckyn ab Eingan, Llywelyn ab yr Ynad Coch, Sion Tudur, Morys ap Hywel ap Tudur, Sion ap Hywel ap Llywelyn Fychan, Huw Roberts, Morgan ap Huw Lewis, Sion Brwynog, Morys Llwyd, Hyw Arwystli, Lewis Morganwg, Dafydd Llwyd ap Llywelyn ap Gruffudd, Lewis Daron, Rhys Nanmor, Hywel ap Dafydd ab Ieuan ap Rhys, William Egwad, Hywel Swrdwal, Tudur Aled, Lewis Glyn Cothi, Lewis Môn, Rhys Goch Glyndyfrdwy, Guto'r Glyn, Gruffudd ab Ieuan ap Llywelyli Fychan, Wiliam Myddelton, Bedo Brwynllys, Wiliam Llyn, Lewis Menai, Simwnt Fychan, Llywelyn ap Gwilym ap Rhys, Richard Cynwal, Rhys Cain, Gruffudd ap Tudur ap Hywel, Sion Ceri, Robert ap Dafydd Llwyd, Syr Roland Williams, Gruffudd Hiraethog, Wiliam Cynwal, Morys Dwyfech, Rhys Goch Eryri, Roger Cyffin, Gwilym ap Sefnyn, Ieuan Dew Brydydd, Thomas Prys, Gruffudd Llwyd, Dick Hughes, and the transcriber.

A seventeenth century manuscript with a previously loose leaf not forming part of the original manuscript bound in at the end. Ff. 1-125 contain a corpus of Welsh verse and prose items mainly of a vaticinatory nature which, according to a holograph note on f. 125 recto, were transcribed by Thomas ab Ieuan, the scribe of NLW MSS 13061-13063B and 13085B, in 1674 ('Yma y diwedda y llyfr hwn a ysgrifenna[is] i Thomas Ieuan o Dre'r brynn pan oedd [oed] krist 1674 . . .'; see also TLLM, t. 171). Included are 'cywyddau' by Robin Ddu (5), Rhys Nanmor, Dafydd Gorlech, Iolo Goch (2) and others (ff. 1-50 verso); verse or prose items by, or attributed to, Myrddin Wyllt, Myrddin Emrys, Taliesin, Ieuan Drwch y Daran, Adda Fras, Rhys Nanmor, Robin Ddu and others, and including, inter alia, 'Prophwydoliaeth yr Eryr mawr or glyn yng wynedd', conversations between Myrddin and his sister Gwenddydd, a sequence of twenty-one stanzas each commencing with the words 'Koronog faban . . .', a poem commencing 'Gwyr Môn a arganfyddant oi ar yn penryn', versions of the prophesies usually known as 'Prophwydoliaeth y Lili' and 'Prophwydoliaeth y Wennol', and a version of the five dreams of Gwenddydd and their interpretation by her brother Myrddin (see R. Wallis Evans: 'Pum Breuddwyd Gwenddydd', The Bulletin of the Board of Celtic Studies, vol. XII, pp. 19-22) (ff. 50 verso-107 recto); and further poems, including 'cywyddau' by Robin Ddu (2), Iolo Goch and others, an 'awdl' by Rhys Nanmor, and 'englynion' by Siams Parri (ff. 107 rector-125). F. 126, the previously loose leaf bound in at the end, is in the same hand as the rest of the volume and contains a seven-stanza vaticinatory poem by Thomas ap Ieuan ap Rhys in the poetic form known as 'triban Morgannwg' (see TLLM, tt. 117, 136), etc.

An imperfect manuscript: of the original manuscript (see note on number of folios) thirty-two folios at the beginning (as per a previous foliation ) ? containing poems numbered 1-28 and part of poem 29, numerous mid- volume folios, and an indeterminate number of folios at the end appear to have been lost. pp. 1-178 (excepting p. 176 and later insertions) are in the hand of the Glamorgan poet and copyist Llywelyn Siôn, the scribe of NLW MSS 970E, 6511B, and 13075-13076B (see TLLM, tt. 157-60). The greater part of the remainder of the volume appears to be in a later seventeenth century hand or hands. The contents consist of transcripts of Welsh poems in free and strict metres, the free-metre verse being largely in the form of 'cwndidau' (see TLLM, tt. 120-43). Included is a corpus of poems by the sixteenth century Glamorgan poets Thomas ap Ieuan ap Rys (25) and Hopgin Thom[as] Phylip (22). Other poets whose works are transcribed include Thomas ap Ieuan ap Madog, Siôn Davydd, Thomas Lle'n Daio Powel, Ll'n Daio Pwel , [ ] Davys, Ll[ywely]n Siôn, Siôn Siankin 'o Benllin', Harri Bach Brydydd, Siôn Howel Siôn, Syrr Siôn Iwng, Matho Wiliam, Siôn Thomas, Howel Siankin, Wiliam Davydd, Siankin Morgan, Ieuan ap Rys 'o Verthyr Kynon', Sir Hyw Davydd 'o gelli gaer', Siankin Thomas, Gronw Wiliam, Siankin Siôn Howel, Thomas Siankin ap Ieuan, Wiliam Prys, Davydd ap Risiart, [ ] Kae Llwyd, Dafydd Nawmor, Ieuan Daelwyn, Richard Davydd, Ieuan Tew Brydidd Ievank, Hugh Dwnn, Tho. Llen., Da. Hirathog, H. Da., Da. Llwyd Mathe, Siôn Tudur, Tho. Broynllyes, Edwo. Bach 'o Drefddin', Morgan ap Howell, Mr. Llwyd, Iolo Goch, ?J. Kent, and 'Gwas ir Henaint'. There is one English poem attributed to Sir Risiart y Vwalchen. The poems by Hopkin Thomas Philip have been published in Lemuel James: Hopkiniaid Morganwg . . . (Bangor, l909), and a large proportion of the remaining poems in L. J. Hopkin James and T. C. Evans: Hen Gwndidau, Carolau, a Chywyddau . . . (Bangor, 1910).

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 transcripts, in the hand of Edward Williams ('Iolo Morganwg'), of miscellaneous Welsh poems, being mainly strict-metre verse and including pp. 11-37, poems by, or attributed to, Taliesin; 39-65, the 'Gododdin' of Aneurin; 67-163, poems by, or attributed to, Taliesin, Myrddin, Llywarch Hen, Gruffudd ap Maredydd ap Daf., Dafydd Benfras, Llewelyn Goch vap Meurig Hen, Madawg Dwygraig, Trahaearn Brydydd Mawr, Howel Ystoryn, Iolo Goch, Gronwy Ddu, Gwilym Ddu 'o Arfon', Thomas Llewelyn 'o rygoes', Morgan Powel 'o Lanhari', Llewelyn Siôn 'o Langewydd', Gronwy William, Syr Dafydd Llwyd Llewelyn, Ellis Ellis, D. ab Gwilym, Gruff. Gryg, D. ab Edmwnt, William Morris, William Elias, Hywel Dafydd ap Ieuan ap Rhys, Thomas Prys, Siôn Tudur, Gruff. ap Daf. ap Tudur, and Wm. Cynwal; 167-89, a collection of 'cywyddau' by, or attributed to, Dafydd ap Gwilim; and 189-241, poems by, or attributed to, Morgan ap Hugh Lewis, ? Rhys Goch 'o glyn-ceiriog', Bedo Aurddrem, Gr. ap In. ap Lln. Fychan, Syr Dafydd Owain, Madog Benfras, In. ap Gruff. Leiaf, Huw Arwystli, Lewis Menai, Syr Clement, Rhys Goch 'o'r yri', Lewis Glyn Cothi, Gruff. Llwyd ap Han, ?Gruff. Llwyd ab Dafydd ab Einion Lygliw, and Lewys Morganwg, and further poems by, or attributed to, Aneurin, Taliesin, Siôn Tudur, Iolo Goch, Gruffydd Grug, Dafydd ap Edmond, and Dafydd ap Gwilym. Pp. 165-6 contain a list of two hundred and forty-six 'cywyddau' attributed to D[afydd ap] G[wilym]. For poems in this volume attributed to Dafydd ap Gwilym but probably written by Edward Williams, and for couplets or sections of poems probably written by Edward Williams and inserted in, or added to, poems by Dafydd ap Gwilym see the relevant sections of IMCY.

Miscellaneous papers containing lists, notes, etc., in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. The contents are extremely varied and include miscellaneous series of Welsh triads including series with the superscriptions 'Trioedd Ieuan ap Hywel Swrdwal', 'Trioedd o Lyfr Esaia Pywel sef Trioedd Llelo Llawdrwm', 'Trioedd Iaith ac Ymadrodd Iorwerth Fynglwyd', 'Trioedd Dwyfolaeth', 'Trioedd athronddysg', 'Trioedd Serch Dafydd Morganwg Bardd Ifor Hael', and 'Trioedd Esaia Powel' (pp. 1-3, 12, 14-15, 18, 24, 26, 28, 30-33, 35, 54-5, 83); lists of Welsh words sometimes with English definitions (pp. 10, 81-2, 86-7, 91-2, 101, 103, 105-06, 115-16, 120, 127, 129-33, 138, 149-52, 157- 203, 244-5, 251-4); lists of Welsh proverbs and proverbial expressions including one list headed 'Meteorological and Terracultural proverbs in Glamorgan' (pp. 28, 69-72, 77-80, 107-08, 113-14, 260-61); notes relating to the order of Welsh bards and musicians (pp. 6-7); a copy of an English poem with the superscription 'Bardic Institutes Written at Carn Moesen an ancient Druidical pile on the top of Craig y Llynn Mawr, a high mountain in the northern part of Glamorgan in Wales' (pp. 20-22); miscellaneous genealogical notes (pp. 39-42); lists [of Glamorgan relevance] headed 'Tai Cre[fydd]' (p. 47), 'Hen Gaste[lloedd] . . . Morgan' (pp.48-9), 'Llysoed[d]' (p.50), 'Hen Drefydd' (p.50), 'Glamorgan Topography' (p. 52), 'Beirdd Morganwg' (p. 56), 'Villages in Glamorgan wherein Town Halls and Market houses are still standing and kept up in good repair. They were originally used for holding markets and Baronial Courts of the Lords Marchers, now the hall is used as a school room, for dancing, . . .' (pp. 64-5), 'Present Market Towns' (p. 65), 'Antiquities in Glam[organ]' (p. 66), and 'Old names in Glamorgan' (p. 98); a short list of the names of Welsh bards, 12th - 17th cent. (p. 53); Welsh stanzas with the superscription 'Bedd bennillion a gant I. Mg.' (p. 58); notes relating to a reputed attempt by King Arthur to regulate the rules relating to armorial bearings (p. 68); a chronological list of events in British / Welsh history, 5th - 6th cent. ( pp. 73-6); Welsh verse with the superscription 'Hen ddiarhebion ar fesur dyri gan Iolo Morganwg' (p. 77); two short Cornish-Silurian lists of words (pp. 85, 88); the first lines of thirty nine 'awdlau' and 'cywyddau' ? attributed to the poet Iolo Goch 'yn Llyfr R. Jones' (pp. 96-7); 'Deuddeg Cynneddf Doethineb' (p. 117); notes relating to the poet Rhys Goch ap Rhiccart and his possible imbibing of Norman - French poetic influences ( pp. 121-2); a brief note on the 'stile and dialect and idiom' of the Welsh bards (p. 128); notes relating mainly to the Glam[organ] system and the North Wales system [of Welsh strict metres] (pp. 136-7); an incomplete account of ? rules and regulations reputedly drawn up by King Arthur at a conference at Caerleon for regulating the conduct, etc., of the Welsh bardic order (pp. 225-8); notes headed 'Llyma'r Drefn a wnaeth yr Amherawdr Arthur ar Fonhedd ag Anfonedd yr hon drefn y dylai bob bardd ei gwybod . . .' (pp. 229-34); notes relating to successive Welsh princes, etc., who had drawn up or revised codes for regulating the conduct, etc., of the Welsh bards and musicians (p. 235); miscellaneous notes relating to Welsh bardism and strict metres (pp. 236-40, 264); miscellaneous extracts of varying length from the works of various Welsh poets sometimes to provide examples of specific words (pp. 241-56); and extracts 'Ex Cwtta Cyfarwydd o Forganwg' listing the cantrefi and cymydau of Glamorgan (p. 262). In one instance the blank dorse and margins of a printed pamphlet bearing the superscription 'An Affectionate Address to Colliers, Miners, and Labouring People', 1785 (pp. 61-2, 67-8) have been used for writing notes, and in two other instances notes have been written on leaves bearing two poems entitled 'War' and 'Liberty' attributed to Morgan Williams, 1821 (pp. 109-12) and a poem entitled 'Picture of a Good Man' attributed to Edward Martin, 1818 (pp. 101-02, 119-20).

A composite volume containing miscellaneous material in the hand of Edward Williams ('Iolo Morganwg'). The contents include p. 1, a copy of a proclamation announcing the holding of an 'eisteddfod' at Caerwys, co. Flint, in the year 1523; 2-26, extracts from, or versions of, the statutes for regulating the organisation and conduct of Welsh bards and musicians associated mainly with the name of Gruffudd ap Cynan; 26-35, a series of triads with the superscription 'Llymma Drioedd Gruffudd ap Dafydd Ychan'; 39-43, a copy of an 'Awdl perthynol i'r Rhyfel bresenol ag America' attributed to I[orwerth] ap G[wilym]; 49-60, transcripts of two Welsh poems attributed to Llywarch Brydydd y Moch and Cynddelw Brydydd, three 'englynion' from 'Llyfr Hir Llanharan', and an 'englyn' attributed to Siôn y Cent; 65-94, transcripts of miscellaneous Welsh verse including a series of twenty-two stanzas with the superscription 'Llyma'r Englynion a fu rhwng Trystan ab Tallwch a Gwalchmai ab Gwyar . . . ', 'Casbethau Arthur', stanzas from the 'Black Book of Carmarthen' attributed to Taliesin, a sequence of twenty-seven stanzas ('Gwasgargerdd Merddin yn ei Fedd') attributed to Myrddin ab Madawg Morfryn, a 'marwnad' attributed to Gruffydd Llygad gwr, a four-line 'darogan' attributed to Peredur Fardd, thirty stanzas from the 'Red Book of Hergest' entitled 'Ymatreg Llywelyn a Gwrnerth', forty-four stanzas with the superscription 'Tribanau yr Eiry Mynydd ar y mesur a elwir yr Hen Driban' attributed to Mab claf ab Llywarch or Llywarch Hen, and a further series of twenty stanzas with the superscription 'Llyma Englynion Eiry Mynydd eraill . . .' attributed to Ystyffan Bardd Teilo or Talhaiarn; 97-101, a list of the twenty-four traditional Welsh accomplishments ('Y Pedair Camp ar hugain'); 103-24, transcripts of 'cywyddau', etc., attributed to Bedo Philip Bach, Howel Dafydd ab Ieuan ab Rhys, Gr. Hiraethog, Siôn Mawddwy, Dafydd ap Gwilym, Trehaearn Brydydd Mawr, and Gutto'r Glynn, and of a series of 'englynion' to commemorate the year of accession of every English monarch during the period 1067-1558, these last being attributed to Berud ap yr Ynad Coch, Bleddyn Ddu, Cynddelw Brydydd Mawr, Llywelyn Fardd, Dafydd y Coed, Harri Haram Param, Llefot Wynebcolawr, Cyssymdaith Llefot Wynebcolawl, Mabwaith Hengrys o Ial, Llygad Gwr, Llywelyn ap Hywel Wrnerth, Gwilym Ddu 'o Arfon', Dafydd Bach ap Madoc Gwladaidd, Hywel Ystorun, Daniel Llosgwrn Marw, Dafydd Eppynt, Ieuan Brydydd Hir, Bleddyn ap Ieuan Hen, D. ddu, Ierwerth Fynglwyd, Rhys Nanmor, Hywel ap Bleddyn Mathew, Owain y Bardd 'o Wynedd', and Huw Arwystli; 129-35, a list of mainly Welsh authors who had written about the island of Britain ('am holl ynys Brydain') and of Welsh bards who had written of the three regions of Wales ('tair talaith Cymru'), etc.; 137, receipts for making ink; 138-9, transcripts of the Lord's Prayer in Welsh as versified by Dafydd Benwyn, and of 'englynion' attributed to Thos. Llen. 'o Regoes', Daf. o'r Nant, and Iolo Morganwg; 140-50, a transcript of a letter from Dafydd Tomas from Pandy'r Ystrad to Dafydd Rhys touching upon the course of the Reformation and the rise of Nonconformity in Glamorgan and mentioning Rhawlins White, Siôn Penri, William Erbri, and Walter Cradoc, and a translation of the Bible into Welsh by Tomas Llywelyn 'o Regoes' (the text of this letter was published in L. J. Hopkin James and T. C. Evans: Hen Gwndidau, Carolau, a Chywyddau . . . (Bangor, 1910), pp. 207-13; for doubts as to its authenticity and the opinion that it was composed by Edward Williams himself see TLLM, tt. 127, 245); 151-3, an anecdote relating to Gwilym Hir Saer and three stanzas in the 'triban' measure attributed to him; 154-64, two versions of 'Dengair Deddf y Beirdd' or 'Dengair Deddf Beirdd y Cymry' (published in James and Evans: op. cit., pp. 199-207); 165-74, a transcript of a letter from Dafydd Nicolas ? of Aberpergwm from Glyncorrwg to Edward Han of Aberdar, 1754, in which the writer gives his views on the relative merits of Welsh strict- and free- metre verse (the text of the letter was published in Taliesin . . ., cyf. I, 1859-60, tt. 92-5; for doubts as to its authenticity and an opinion that it was composed by Edward Williams himself see TLLM, tt. 241, 290-92); 175-6, a short chronicle of events in Welsh history, 1221-1419; 177-216, transcripts of Welsh poems attributed to Howel ab Owain Gwynedd, Casnodyn Fardd, ? Cynddelw, ? Teulu Owain Cyfeilyawc, Prydydd y Moch, Meilir Brydydd, Bleddyn Fardd, Llywelyn Fardd, Taliesin, Rhobin Ddu, Y Bergam o Faelor, Ieuan Trwch y Daran, D. ab Edmund, Ieuan Tew Hen, and Lln. ap Guttun, and miscellaneous extracts; 217, a copy of the prophecy of Friar Bacon ('Prophwydoliaeth y Brawd a elwid Ffreier Bacon'); (continued)

218-21, miscellanea including transcripts of two 'englynion' attributed to Sir Huw Dafydd and Thomas Powel, and a list of the cantrefi and cymydau of Morganwg 'ex Havod MS.'; 222-4, miscellaneous domestic and medicinal recipes; 243-5, a copy of a foreword reputedly written by Benjamin Simon in 1754 to a collection of the poems of Dafydd ap Gwilym; 246-52, transcripts of Welsh poems attributed to Ieuan Tew o Gydweli and Edward Llwyd; 253-5, a list of castles in Britain ('Caerau Ynys Prydain sef y Prif Gaerau'); 255-69, transcripts of miscellaneous 'englynion', three triads, and poems attributed to Siams ab Harri 'o Euas' and Gruffudd ap Ieuan ap Llywelyn Fychan; 270-87, transcripts of series of 'sayings', proverbs, triads, etc., with the superscriptions 'Saith gamp a ddylai fod ar wr', 'Saith ymofynion a'u hattebion', 'Geiriau Gwir Cattwg Ddoeth', 'Gorddodeu Cattwg ddoeth', 'Gorddodeu'r Hen Gattwg o Ial', 'Synnidau Cattwg Ddoeth', 'Trioedd amrafaelion', 'Diarhebion amrafaelion', 'Diarhebion Cenhedlig a Lleol', 'Llyma Ddiarhebion Tymmor a Thywydd', and 'Diarhebion Meddygol'; 287-95, a sequence of fifty-three stanzas entitled 'Englynion yr Eira Gwyn ar Ddiarhebion'; 296-323, transcripts of miscellaneous Welsh prose and verse items including prose items headed 'Llyma wyth llawenydd y Nef', 'Llyma Rinwedd y Ceiliog', 'Cas Betheu gan Dduw', 'Wyth o Drioedd', 'Naw Gradd yr Awgrym', 'Naw gradd Carrenydd', 'Llyma y pum achos sydd i gadw achau', 'Nodau Rhifyddiaeth yr Hen Gymry', 'y Llythyrenau Cymreig Hen a Newydd', 'Tri chynghor a roddes Iesu Grist iddei Ganlynwyr', 'Enwau Ynys Prydain a'i Rhag ynysoedd a'i chaerydd', and 'Hwedl Rhitta Gawr', 'englynion' attributed to Dafydd Benwyn 'o Forganwg', Edward Dafydd 'o Fargam', and Ieuan Gethin ab Ieuan ab Lleison, twenty-six stanzas attributed to Rhys Llwyd Brydydd 'o Lanharan', and verse attributed to Merddin Emrys, Taliesin, and Goronwy Owain; 324-438, transcripts of Welsh poems, mainly 'cywyddau', attributed to Iolo Goch, Gwilym ab Ieuan Hen, Rhys ab Cynfrig Goch, Dafydd ab Edmwnd, Iorwerth Fynglwyd, Thomas Llywelyn, Lewys Môn, Rhys Nanmor, Huw Cae Llwyd, Rhys Goch 'o'r Eryri', Siôn Philib, William Llyn, Rhisiart Fynglwyd, Rhys Llwyd ab Rhys ab Rhisiart, Meredydd ap Rhys, Ieuan Du'r Bilwg, Siôn y Cent, Ieuan Cae Llwyd, Tudur Aled, Syr Owain ab Gwilym, Owain Gwynedd, Taliesin, Dafydd Llwyd ab Llywelyn ab Gruffydd 'o Fathafarn', and Siôn Mowddwy; 439-42, transcripts of items with the superscriptions 'Gweddi Talhaearn . . .', 'Y Deuddeg Prif Gynnegolion . . .', 'Llyma Bennill Cadair Gorsedd Alban Arthan', 'Llyma Weddi'r Orsedd', and 'Cylch Byd a Bywyd', and examples of the strict metre known as 'gorchest y beirdd'; 459-95, transcripts of poems attributed to Dafydd ap Gwilym and some unattributed poems; 555-65, three sequences of stanzas (16, 13, and 8) with each verse commencing 'Coronog Faban' attributed to Aneurin Gwawdrydd or Gildas ap y Caw, Jonas Athraw Mynyw, and Rhys Goch 'o Eryri', with comments on the three series; 566, transcripts of four stanzas of Welsh strict-metre verse attributed to Rhys Llwyd and Iorwerth Fynglwyd; 571-86, a version of the statute relating to Welsh bards and musicians associated with the names of Gruffudd ab Cynan and Bleddyn ab Cynffyn; 587-9, notes relating to an 'eisteddfod' held by Rhys ab Gruffydd in Cardigan and rules formulated relating to the bards and 'eisteddfodau'; and 590-626, transcripts of miscellaneous Welsh prose and verse items including notes headed 'Llyma fal y dychre Dosparth ar Gelfyddyd cerdd dafawd yn Llyfr Iago ab Dewi', series of triads with the superscriptions 'Llyma Drioedd o hen Lyfr Tre'r Eos', 'Llyma Drioedd Gwilym hir, saer Hopkin ap Thomas ab Philip', and ['Trioedd] o Lyfr y Dr. Williams o Gaernarfon', Welsh poems attributed to Taliesin, Iorwerth Beh, Mabclaf ab Llywarch, and ? Daniel Llosgwrn Mynyw, a version of the bardic statute associated with the name of Gruffudd ap Cynan, prose items with the superscriptions 'Llyma Gasbetheu Doethion Rhufein', 'Dewisa Gwr nid amgen', 'Saith rhodd yr Yspryd Glan', 'Llyma Ddewisolion Dafydd Maelienydd', and 'Dewisolion Hywel Ystoryn', and an anecdote relating to Huw Llwyd Cynfel, brother of Morgan Llwyd 'o Wynedd'.

'Cywyddau' and other poems by Rhys Gray, Hywel Cilan, Huw ap Huw, Sion ap Hywel ap Llywelyn Fychan, Guto'r Glyn, Lewis Glyn Cothi, Dafydd ap Gwilym, Ieuan Dew Brydydd, Ieuan Brydydd Hir, Wiliam Llŷn, Iolo Goch, Gruffudd Gryg, Syr Dafydd Trefor, Dafydd Nanmor, Wiliam Cynwal, Lewis Menai, Sion Tudur, Tudur Penllyn, Gruffudd Hiraethog, Sion Brwynog, Dafydd ab Edmwnd, Lewis Môn, Llywelyn Moel y Pantri, Sion Dafydd Rhys, Hywel Rheinallt, Rhys Goch Eryri, Llywelyn Goch ap Meurig Hen, Ieuan Gethin ab Ieuan ap Lleision, Lewis Morganwg, Huw Llwyd Cynfal, Sion Phylip, Richard Phylip, Tudur Aled, John Davies, Owain Gwynedd and Sion Cent.

A volume containing an interleaved copy of Thomas Matthews, Gwaith Iolo Goch, vol. 1 (Llanuwchllyn, 1915), bound together with a copy of David James (Defynnog), Owain Glyndwr: His Life and Times (Cardiff, 1915), which was published as part of his volume Hanes Owain Glyndwr (Cardiff, 1915), with notes, press cuttings, 1920-1934, and other printed items added by R. D. Roberts relating to the lives and works of Iolo Goch and Owain Glyndŵr, together with a photograph, 1906, of Llechryd, Llanefydd, co. Denbigh.

Poetry, mainly 'cywyddau' with a few 'awdlau' and 'englynion', by Sion Tudur, Thomas Prys 'o Blas Iolyn', Gruffudd Hiraethog, Morice ab Ieuan ab Eigian, Iolo Goch, Dafydd ap Gwilym, Gwerful Mechain, Ieuan Llwyd 'or Towynn', Guto'r Glyn, Llywelyn Goch ap Meurig Hen, Gruffudd Gryg, Rhys Pennardd, Richard Gruffydd ap Huw, Dengyn Kyfeiliog, Dafydd ab Edmwnd, Gruffydd Kenrick Coch, Edmwnd Prys, Owain Waed Da, Hywel Cilan, Iorwerth Fynglwyd, Hywel ap Llywelyn ap Moel y Pantri, Gruffudd ab Ieuan ap Llywelyn Fychan, Maredudd ap Rhys, Gruffudd ap Gronw Gethin, Tudur Aled, Gutun Owain, Deio ab Ieuan Du, Gruffudd Llwyd ap Dafydd ab Einion, Richard Gruffydd ap Huw, Robert Leiaf, Ieuan Dyfi, Wiliam Llyn, Sion Cent, Lewis Jones, John Price ('of N.M., 1635'), Huw Arwystli, Dafydd Nanmor, Rhys Nanmor, Rhys Goch Eryri, Syr Dafydd Owain, Raff ap Robert, Sion Phylip, Richard ap Hywel ap Dafydd ab Einion, and Lewis Mon. Among miscellaneous items in the manuscript is a copy of a letter by John Parry in which he mentions his cousin Thomas Lloyd of Nantglyn.

Pedigrees, mainly of North Wales families; a list of uncommon Welsh words taken from John Davies, Mallwyd: Dictionarium ... (London, 1632); a vocabulary of some 'hard' Latin words; 'cywyddau' and other poems by Rowland Williams, Rhys Meigen, Dafydd ap Gwilym, Rowland Vaughan, Siôn Cent, Dafydd ab Edmwnd, Wiliam Phylip, Owen Gruffydd, Edmwnd Prys, Robin Ddu, Siôn Phylip, Sion Tudur, Gruffudd Phylip, Maredudd ap Rhys, Gutun Owain, Iolo Goch, Morus Berwyn, Ffowc Prys, Owain Gwynedd, Roger [C]yffin, Siôn Brwynog, Syr Owain ap Gwilym, Wiliam Llŷn, Huw Arwystli, Richard Phylip, Dafydd Nanmor, [If]an Llwyd ('o wain Eingian'), Hywel Cilan, Edwart Urien, Lewis Glyn Cothi, Rhys Cain, Lewis Trefnant, Matthew Brwmffild, James Dwnn, Ieuan Dew Brydydd, Heilyn Fardd, Huw Machno, Guto'r Glyn, etc. ; a description of Britain based on the early chronicles; the triads of Dyfnwal Moelmud; etc.