A composite volume, the first portion of which (pp. 1-78, old foliation 1-38), written in the early eighteenth century, contains selections from Flores poetarum, triads, englynion, the divisions of Wales (pp. 29-33), cywyddau, poems in free metre, and an incomplete table of the contents of the latter portion of the volume (pp. 57-59). The second part of the volume (pp. 79-406, old foliation 1-245 with gaps) has been neatly written in two or more hands, one of the seventeenth century and the others of the early eighteenth century. It contains Welsh poems in strict and free metres from the fifteenth to the eighteenth centuries, many of them either of Anglesey interest or written by Anglesey poets, particularly Lewis Môn, Sion Brwynog and John Griffith of Llanddyfnan.
Among miscellaneous items are copies of the Articles of Agreement between the Parliamentary Commissioners and the inhabitants of Anglesey, 1648 (pp. 295-296); Sir Edward Trevor's riddle (p. 312); and a short bardic grammar (pp. 358-362).

A small group of autograph Welsh poems, mostly relating to the Wynne family, consisting of: (i) anonymous verses entitled 'Penillion cufaddas i'r amser yma ...', beginning 'Pob haden lawen lonudd su ai miwsig hud meusudd ...' (f. 1); (ii) 'Cywydd Marw-nad er coffadwriaeth am Farwolaeth Gwraig foneddigaeth sef Mrs Wyn o Fodewryd yr hon a hunodd yn yr Arglwydd y 31 o fis Awst 1723', by Robert ap Richard (ff. 2-3); (iii) 'Cowydd priodas Mr Chansaler Wyn a chroeso ir wlad', by William Morgan Lloyd, [1714] (ff. 4-5); (iv) 'Cywydd Marwnad y gwir Barchedig Dad yn Nuw Humphreu Humphres Arglwydd Esgob Henffordd', by Owen Gruffydd, [1712] (ff. 6-7); (v) a translation into Welsh of 'Of Noble Race was Shenkin' and Latin verse mainly in the autograph of Chancellor Wynne (ff. 8-9); (vi) a poem 'I'r haeddol Barchedig Mdm Margaret Humphreys', by David Manuel (f. 10); and (vii) 'Cerdd i Annerch, ynghyd a mawl ddyledus i Mr Edward Owens, o Benrhos, ar dôn a elwir Marwnad yr Helwyr', by Richard Parry (f. 11).
Also included are miscellaneous accounts, 1693-1729 (ff. 12-14, 17-18, 20), and two letters from Wm Lloyd, Kefn, to Mrs Wynne, 14 February 1712/3 (ff. 15-16), and to Dr Wynne, 28 April 1730 (ff. 19-20).

Two composite volumes of transcripts of Welsh texts, with copious annotations, in the hand of W[illiam] H[enry] Mounsey. The titles include 'Hynafion Dyffryn Clwyd' (printed in Y Brython, 1861, pp. 325-6), 'Llyma henwau Maen mawr werthiawg, ei gwrthiau, a'i nattur', 'Llyma lyfyr a elwir Graduelys' (Y Brython, 1860, pp. 413-16), 'Rhyfeddodau Palestin', 'Y Llyfr a elwir y Purdan', 'Prophwydoliaeth Dewi Sant', 'cywyddau' and 'englynion' by Huw ap Rissiart ap D'd, Evan Evans ['Ieuan Brydydd Hir'], Tudur Penllyn, Dafydd Nanmor, Morys Kyffin, 'Llyma henwae y kyffion kler a'r kerddorion a raddiwyd pan vu yr Eisteddfod ddiwaethaf yn tref Gaerwys', 'Llyfr Kadwedigaeth Kerdd Dant', Y Kaniadau y sydd ar y Bragod Gowair (with 'Ar y Kras Goweir y maent', etc.), 'Llyma ymddiddan a vu rhwng Adrian ag Eppig', 'Llyma Ache ag ymddiddane a vu rrwng Selyf ap D'dd brophwyd a Marcholffus', 'Hen chwedl Diawl y Dwndwr' (incomplete) (Y Brython, 1860, pp. 136-7), 'Herodraeth' [i.e. Llyfr Arfau or Disgrifiad Arfau] (incomplete), 'Llyma Ddosbarth y Saith Gelfyddyd', 'Prophwydoliaeth y Bardd Cwsg', 'Prophwydoliaeth y Wennol', 'Cynghorion i amryw ddolurie' (Y Brython, 1860, pp. 339-40), 'Klod Kerdd Dafod', (see D. Gwenallt Jones 'Clod Cerdd Dafod', Llen Cymru I, pp. 186-7), 'Achau Powys' (Y Brython, 1860, pp. 124-7), 'Chronicl Cymreig' (incomplete), 'Mynachlog yr Ysbryd Glân' (Y Brython, 1860, pp. 361-5), 'Arwyddion Dydd Barn' (Y Brython, 1860, p. 56), 'Buchedd Marthin Sant', 'Llyma ystori VII doethion Ryvain (Y Brython, 1860, pp. 81-94) (with variant readings), 'Hanes Gwidw' (Y Brython, 1860, pp. 241-6), 'Arglwydd Glyndwr' (Y Brython, 1860, p.345), 'Siartrau y Waen' (Y Brython, 1861, pp. 337-9), 'Rinwedd y Ceilog' (Y Brython, 1860, pp. 56-7), 'Llyma ystori teitys vab ysbysionys' (Y Brython, 1860, pp. 41-4), 'Pa le y claddwyd y Prydyddion hyn' (Y Brython, 1860, pp. 137-8), 'Rhinweddau croen Neidr' (Y Brython, 1860, p. 137), ['Man-gofion'] (Y Brython, 1860, p. 269), etc. The majority of the transcripts are based on manuscripts in the British Museum. There are occasional annotations and references in the hand of D. Silvan Evans. The volumes are lettered respectively 'Welsh Tracts MSS W. H. Mounsey Vol. I' and 'Welsh Tracts MSS W. H. Mounsey Vol. II.'

A notebook in the hand of David Evans, Llanrwst containing 'Y Llinell Gyntaf o bob Cerdd Cywydd a charol sydd yn yr hen Almanaciau ynghyd a henwau yr Awdwyr', i.e. a chronological list of first lines of poetry in strict and free metres published in Welsh almanacs from 1686 to 1786. The free metre poetry, 'carolau' and 'cerddi' are arranged separately under each author.

A scribbling tablet in the hand of J. H. Davies containing extracts and notes from manuscripts in the British Museum, the National Library of Wales and Cardiff Free Library and from printed sources largely on the correspondence of, and poetry by or relating to, the Morris brothers ('Morysiaid Môn'), Goronwy Owen ('o Fôn'), Evan Evans ('Ieuan Fardd') and Edward Williams ('Iolo Morganwg').

A scrap-book of literary and historical press cuttings, c. 1896-1900, compiled by J. H. Davies. The titles include, 'London Welsh Jottings', 'Ysgrifenydd y Cyffes Ffydd', 'A Great Welsh Soldier' [i.e. Owen Lawgoch], 'Pererindod yn Nhyddewi', 'Story of the Revolt of Llewelyn Bren', 'Cyfres yr Hen Gerddi', 'Gohebiaeth Awdwr "Cathl y Gair Mwys", 'Darganfyddiad Llenyddol yn yr Amgueddfa Brydeinig. Cywydd Anghyhoeddedig o Waith Goronwy Owen', 'Dewiniaid Dyffryn Clwyd', 'Kruger a'r Cynghorwr Sirol Cymreig', 'Ymwelydd hynod o New Zealand. Maori yn Medru Cymraeg', 'Breuddwyd Nos Wyl Dewi', 'Llenyddiaeth y Flwyddyn' (by J. H. Davies), 'Peter Williams', 'Lloffion Llenyddol', 'Bedd Dafydd ap Gwilym', 'Hen Ddewiniaid Cymru', 'Straeon Hen Gymry Llundain', 'Yn Amsang ein Tadau' and 'Old Pembroke Families' (both by Henry Owen, Poyston), 'Taith i Ardal Twm Sion Catti', 'Cywydd Coffadwriaethol i'r diweddar T. E. Ellis, As' (by [William Powell] 'Gwilym Pennant', London) 'Crogi'r Lleidr Defaid a Melldith Gwrach Dyffryn Aeron', 'Hela Owen Lawgoch', 'Gwrdd y Cymru Fyddion', 'Athrofeydd y Methodistiaid', 'Cynghorau Lleol Cymru', 'Welshmen in Patagonia', etc.

A composite volume made up of copies of Yr Odydd Cymreig, Cyf. 1 (1842), Rhif 2, 3, 4, and articles on 'Llyfrgelloedd ' (Y Traethodydd, 1858-9), 'Y Bardd o'r Nant a'i Waith' (Y Traethodydd, 1875), 'Y Bardd o'r Nant a'r Cerddi Bedydd' (Y Traethodydd, 1876), and 'Sallwyr Cymraeg', a review of Twr Dafydd: sef Salmau Dafydd wedi eu cyfaddasu ar Gân ... gan y Parchedig William Rees, Liverpool (Dinbych: Thomas Gee, 1875), followed by some miscellaneous press-cuttings.

'Cywyddau' and other poems by John Vaughan, Wiliam Phylip, Siôn Phylip, Sion Dafydd ap Siencyn, Edwart ap Rhys, Raff ap Robert, Dafydd Nanmor, Gruff[u]dd Gr[y]g, Simwnt Fychan, Richard Phylip, Siôn Tudur, Llywelyn Goch ap Meurig Hen, Rhys Cain, Gruffudd Hiraethog, Dafydd ap Gwilym, Wiliam Llŷn, Syr David Owen, Dafydd Llwyd ap Llywelyn ap Gruffudd, Thomas Prys, Siôn Mowddwy, Wiliam Cynwal, Edmwnd Prys, Siôn Cain, Ellis Wynne, Ellis Rowland, Huw Llwyd Cynfal, Ffowc Prys, Iolo Goch, Dafydd Epynt, etc.

Transcripts by Robert Oliver Rees of poetry, letters, etc., by David Richards (Dafydd Ionawr) and of poetry by others relating to him and his work.

The original manuscript and author's drafts of 'Cywydd y Drindod' by David Richards (Dafydd Ionawr) and a transcript of the poem, with an introduction prepared for the press.

Notebooks of Robert John Pryse (Gweirydd ap Rhys), containing shelf lists of parts of his library; a list of books which he acquired from Daniel P. Jones; material for an essay ('Hanes Feirniadol Barddoniaeth Gymraeg y 18fed ganrif'); a copy of the grant of a Royal Bounty to R. J. Pryse, 1887; and a letter by M. O. Evans, Independent minister at Trefriw, 1884.

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 commonplace book kept by Ioan Pedr containing a large number of notes on a variety of subjects; 'englynion', hymns and other poetry; folk- and nursery-rhymes; tales, games and anecdotes relating mainly to Bala and district; a Welsh translation of Shakespeare: Hamlet, Act I, Scene I; notes on sheep ear-marks, with examples and diagrams; lists of poems by Thomas Edwards ('Twm o'r Nant'); biographical, bibliographical and philological notes, including lists of dialect words; inscriptions and epitaphs at Llanycil church; a copy of a letter written 21 September 1828 from Delaware, U.S.A., by John Edwards ('Eos Glan Twrch') to his parents at Tynyfedw, Cynllwyd, Merioneth; etc.

Transcripts by Ioan Pedr from manuscripts of Robert Jones (Tydu, Cwmglanllafar) and John Jones ('Myrddin Fardd') of 'cerddi' and 'cywyddau' by David Jones ('Dafydd Sion Siams'), Elis Roberts, Thomas Edwards ('Twm o'r Nant'), Hugh Jones (Llangwm), John Thomas (Pentrefoelas), Rice Hughes ('o Ddinam'), Owen Gruffydd, Robin Ddu, Dafydd Gorlech, John Roger, Mor[y]s ab Ieuan ab Einion, Thomas Prys, Gruffudd Hiraethog, Siôn Tudur, Guto'r Glyn, Llywelyn Goch ap Meurig Hen, Gruffudd Gryg and Dafydd ap Gwilym.

Notes by John Davies on the pedigree of John Rhydderch; extracts from almanacs, 1709, 1729, including poems by John Rhydderch, D[afydd] Manuel, Evan William[s] 'Delyniwr o Langybi yn Sir Gaernarfon'; and a list of ballads composed or printed by John Rhydderch.

A volume of 'englynion' entitled 'llyfr wiliam Siôn o fryn saeth', and partly in the hand of David Jones ('Dewi Fardd'). Many of the 'englynion' are unattributed, and the few poets represented in the volume are William Cynwal, Lewis Glyn Cothi, Ellis ap Llew[elyn], Rhys ap Niclas, Sion Philip, Dr. Sion Siengcin, Lewis Menai, Owen Jones ('o dref machynlleth'), Sion Tudur, Thomas Eufan, Ed'd ap Raff, Wm. Sion Wyn, Da'dd Siengcin, Iolo Goch, Dafydd Jones ('o Drefriw, tan yr yw', 'Dewi Fardd', 'Dewi Sion'), Moris Powel, Hyw Morris ('ar ei glafwely'), William Philip, Owen Griffydd, Mr. Mredydd Wyn ('o lanyfudd'), and Rowlant Preis. Also bound in the volume are a list of texts of sermons, 1720-1724, preached partly by Mr. Anwill, Mr. Nanney, and Mr. Thomas; and fragments of printed almanacs, among them being that of [Thomas Jones], 1686, and that of [John Jones, 'Philomath'], 1739, both published in Shrewsbury.

Miscellaneous papers and note-books containing notes, extracts, transcripts, lists, etc., in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. The contents of pp. 53-60, 73, 75, 86-9, 91, 143-206, 209-17, 233-8, and 279-90 consist mainly of lists or groups of Welsh words and phrases sometimes with English definitions and/or illustrative excerpts from the works of Welsh poets. Some of these lists or groups contain words extracted from one source such as poems by, or attributed to, Taliesin, or to be found in 'The Book of Taliesin', John Bunyan: Taith y Pererin, William Wotton: Cyfreithieu Hywel Dda . . . (London, 1730), etc. P. 13 is inscribed 'Glynn Papers 1821. Customs of the Manor of the Lordship of Coity Wallia. From a Copy in the Hand Writing of Richard Jenkins, Esqr., of Hensol Castle, Glamorgan, 1714', and is followed (pp. 17-27) by an incomplete copy of the presentments of a jury of survey for the lordship and manor of Coyty Wallia aforesaid [co. Glamorgan], 1631 [/2]. Other items in the volume include pp. 33-6, anecdotes relating to the brothers Richard and William Twrch and the building of the chapel (1586) and the porch (1600) at Bewper [ co. Glamorgan], with references to Inigo Jones (see also NLW MS. 13089E above); 37-41, a copy of Sir Walter Scott's 'Hymn to Christopher North, Esqr.' transcribed from Blackwood's Edinburgh Magazine, April 1821; 45-9, notes relating to the ruins of a ?Roman 'glass and pottery manufactory' near Caer Rhun [co. Caernarvon], and to nature in the languages and literatures of Wales and England; 69-71, a transcript of the answers to a questionnaire relating to the parish of Llantrithyd [co. Glamorgan]; 72, stanzas of ?two Welsh hymns; 83-4, notes on differences in the use of the verb in the Welsh of North and South Wales; 107-10, notes relating to the Welsh bardic tradition, more particularly the use of triads by the bards, with examples of such bardic triads and English translations; 112, a list of the persons (?commissioners) in whose presence the 'eisteddfod' was held at Caerwys [co. Flint] in 1565 (sic) and of the bards and musicians who were licensed at the said 'eisteddfod'; 113-34, ?extracts from [Paul Henri] Mallet: Northern Antiquities . . . [? the translation from the French by Thomas Percy, London, 1770] and [Joseph] Ritson: A Select Collection of English Songs (1783); 135-41, draft proposals for publishing a multi-volume work containing essays on aspects of Welsh literature, history, bardism, etc., with transcripts of, or extracts from, original Welsh documents and manuscripts relating thereto and English translations of the original source material (see Prospectus of Collections for a New History of Wales in Six Volumes . . . by Edward Williams (Carmarthen, 1819 )); 142, a note on the aims of 'Cymreigyddion Deheubarth, a Corresponding Literary (Philological) Society of South] W[ales]' and a list of six rules headed 'Unitarian Discipline and Polity'; 207-08, a list of Latin words, mainly common nouns, commencing with the letter v with English definitions and, occasionally, Welsh ? derivatives; 221, suggestions by E[dward] Williams re the cultivation of vineyards in Britain; 225-32, miscellaneous horticultural notes ('A New Method of propagating trees', 'A new . . . method of raising Cowcumbers', 'To ripen Grapes'), etc., extracted mainly from the Weekly Miscellany, [Philip] Miller: The Gardener's Dictionary . . ., and Ra[lph] Austen: A Treatise of Fruit Trees . . . ; (continued)

239-46, extracts ? from letters of L[ewis] Morris and a commonplace book of R[obert] Vaughan of Hengwrt relating to matters of Welsh etymological, bardic, and antiquarian interest, with comments, sometimes severely critical of the opinions expressed by Morris and Vaughan, added presumably by Edward Williams ('ignorance . . . inconsistency … willful lies, a complete triad of Lewis Morris' grand accomplishments', 'the abominable falshoods of Robert Vaughan'); 247 + 250, transcripts of 'englynion' attributed to Jenkin Richards and a note on Richards's religious attitudes (written on the blank margins, etc., of an incomplete copy of printed proposals, 1792, by [Sir] Herbert Croft for publishing a new edition of Dr . [Samuel] Johnson's Dictionary); 251-66, miscellaneous items including a list of the 'Names of Constellations in Wales', two notes relating to the bard Iolo [Goch], a note on a volume containing prophesies by various bards 'collected by Mr. Ellis Wynne of Las Ynys', ? an extract from a letter from W[illia]m Wynne to L[ewis] Mor[ris] relating to an ode by Goronwy [Owen] and his use of the 'Cadwyn fyr' measure, an extract from a letter from Edw[ar]d Llwyd to Robert Davies at Llannerch [co. Flint] referring to glass beads which may have been 'Roman or referable to our glain Neidr', an extract from a letter from R[ober]t Vaughan of Hengwrt to Archbishop Usher relating to the different yokes used in yoking oxen in Wales, a critical comment ? by Edward Williams on the opinions of Lewis Morris and [Robert] Vaughan of Hengwrt with regard to the story of Brutus, a brief note on 'The Cantref Breiniol' and the 'saith cantref' of Morganwg, an extract from a letter on the subject of freemasonry published in the Gentleman's Magazine, September 1794, lists of 'Y chwebeth a wnaeth i'r Brytaniaid golli anrhydedd ei Pendefigaeth', 'Meibion Cynfarch', 'Rhyfeddodau Ynys Prydain', 'Geiriau Gwir Taliesin', and 'Deuddeg pwnc cas gan Grist . . .', versions of the Lord's Prayer in Welsh, transcripts of four 'englynion' attributed to Huw Caerog, Huw Llyn, Hugh Pennant, and Wiliam Cynwal, and headed 'Englynion Eisteddfod Caerwys', extracts from various Welsh poems, etc.; 267-78, a fourteen point 'Outline of a Plan for a Complete and Superb History of the County of Glamorgan Sketched by Edward Williams, 1806'; 293 + 296, a memorandum of a proclamation, 1795, of a bardic meeting to be held at Pen Bryn Owain, co. Glamorgan, in 1796; 294-5, notes on Hywel Siôn of Brofeisgyn [co. Glamorgan] (2nd half 17th cent.) and 'Yr Hen Saphin' of Pen y bont ar Ogwr [co. Glamorgan] (? early 18th cent.), to both of whom many proverbial or popular sayings were attributed, and comments on the use of proverbs by the Welsh (? part of an introduction to a proposed collection of Welsh proverbs); 301-08, a copy of the introduction, the letter to the reader, and the notes on Arthur and his knights to be found at the beginning of Lewys Dwnn's volume of pedigrees of the families of cos. Carmarthen, Pembroke, and Cardigan (see S. R. Meyrick (ed.): Heraldic Visitations of Wales . . . by Lewys Dwnn . . . (Llandovery, 1846), pp. 7-10); and 309, a list of 'Grammars in the possession of E. Williams' (? 'Iolo Morganwg').

A composite volume containing transcripts by Edward Williams ('Iolo Morganwg') of Welsh poems, mainly strict-metre verse in the form of 'cywyddau', attributed to Syr Dafydd Owain, Huw Dafydd Llwyd, Ieuan ap Hywel Swrdwal, Llawdden, Dafydd Llwyd Matthew, Siôn Mowddwy, Rhobin Ddu 'o Fôn', Siôn Tudur, Syr Dafydd Llwyd Fach or Syr Dafydd Llwyd Ysgolhaig, Lewis Glyn Cothi, Huw Pennant, Rhosser Cyffin, Person Llanberis, Dafydd ap Dafydd Llwyd, Thomas Prys, Rhisierdyn, Gutto'r Glynn, Meredydd ap Rhys, Rhys Goch Glyndyfrdwy, Siôn Brwynog, Thomas Celli, Llywelyn Goch ap Meuryg Hen, Rhys Cain 'o Groes Oswallt', Rhisiart Philip, Rhys Llwyd ap Rhys ap Rhiccart, Hywel ap Syr Mathew, Gruff. Hiraethog, Edmund Prys, Arch[d]diacon Meirionydd, Gruffudd Hafren, Rowland Fychan 'o Gaer Gai', Ieuan Llwyd Sieffre, Ieuan Tew Brydydd, Owain ap Llywelyn Moel, Lewys Môn, Dafydd Pennant, Rhys Goch ap Dafydd sef Rhys Goch Eryri, Tudur Aled, Ieuan Brydydd Hir, Siôn Philip, Lewis ab Edward Bencerdd, Wiliam Cynwal, Ieuan Deulwyn, Gruffudd ap Gweflyn, Lewys Menai, Dafydd Llwyd 'o Fathafarn', Dafydd ap Hywel, Ieuan ap Gruffudd Leiaf, Huw Arwystli, Rhys ap Llywelyn ap Gruffudd ap Rhys, Guttyn Owain, Hywel Dafydd ap Ieuan ap Rhys, Iolo Goch, Ieuan Llawdden, Wiliam Llyn, Gruffudd Gryg, Dafydd Llwyd ab Einion Lyglyw (or Gruffydd Llwyd ab Dafydd ab Einion Lygliw, or Dafydd ab Gruffydd Llwyd ab Einion Lygliw), Dafydd ab Gwilym, Lewys Morganwg (or Lewys Brydydd Hodnant), Rhisiart ap Rhys Llwyd, Iorwerth Fynglwyd, Thomas Derllysg, Dafydd, Abad diweddaf Margam, Siôn y Cent, Thomas Lleison 'o Gastell Nedd', Ieuan Du'r Bilwg, Llywelyn Moel y Pantri, Rhys Llwyd ab Rhys ab Rhisiart 'o Lan Haran', Ieuan Rudd, Gruffudd ap Ieuan ap Llywelyn Fychan 'o Lannerch Llyweni', Meredydd ap Rhosser, Tudur Penllyn, Dafydd ap Edmwnd, Ieuan Brechfa, Syr Owain ap Gwilym, Bedo Hafes, Syr Rhys o Garno, Dafydd Llwyd ab Llewelyn ab Gruffydd, Llywelyn ab Guttyn, Trahaiarn Brydydd Mawr, ? Iorwerth Beli, Llywelyn Goch y Dant, Wiliam Pywel 'o Gastell Madog', Dafydd y Coed, Ieuan Môn Hen, Gruffudd ab Gronw Gethin, Meyrig Dafydd, Wiliam Byrcinsha, Syr Dafydd Trefor, Bleddyn Siôn 'o Lancarfan', Casnodyn, Syr Rhys Offeiriad, Llywelyn ap Guttyn, Ieuan Gethin ab Ieuan ab Lleison, Syr Dafydd Jones, Ficcer Llanfair Dyffryn Clwyd, Ifan Llwyd, and Siôn ap Ffelpot. There are occasional notes on the poems and poets and on the source of the transcript.

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 volume containing a transcript, 1785, by Evan Evans (Ieuan Fardd) of Henry Salesbury's Dictionary (pp. 5-152). Also included is an elegy to Evan Evans, [1788], in the autograph of David Ellis (pp. 1-2).