A printed account by Arlunydd Penygarn of 'Peithynen and Coelbren y Beirdd'; letters, 1846-1847, from Thomas Price ('Carnhuanawc') to Jonathan Reynolds ('Nathan Dyfed').

'Traethawd ar y Derwyddon ynghyda'r Egwyddor Coelbren y Beirdd', written in 1841 by Richard Jones ('Rhydderch Gwynedd'), together with notes on orthography.

A fragment of the manuscript of a story entitled 'Ianto Llwyd', notes of a meeting of the Committee of 'Arwest Farddonol Glan Geirionydd', 12 August 1895, and miscellaneous notes by Ellis Pierce; notes on 'Crefydd y Derwyddon'; draft compositions in prose and verse; extracts from printed sources; and an account of Griffith Owen, rector of Llanenddwyn and Llanddwywe, by Griffith Jones ('Gytyn Ardudwy').

A draft essay on druids and druidic literature, together with notes on Taliesin, Aneirin and Llywarch Hen.

'An essay on the Anguinium Ovum - the Oak Mistletoe &c. with a History of the Druids, their customs, &c., and an account of the Druidic Alphabet'.

An essay entitled 'On the Question whether the Druids sacrificed human beings', written for a Cymreigyddion meeting at Swansea, 1841.

'An account of Druids, Druidic Customs, Druidic Symbols and Alphabet'.

A letter, 1855, from John Williams ('Ab Ithel') to [Evan Davies ('Myfyr Morganwg')].

'Englynion' submitted for competition for an epitaph upon the tombstone of David Davies, Blaina; englynion i Bont Crumlin, the subject of a competition at the Salem eisteddfod in Blaina, 8 May 1871; englynion ir diweddar Miss Joan Williams, Blaina; songs of praise (English and Welsh) to Fred. Levick for his efforts in connection with the re-opening of Blaina works; a draft adjudication of an essay entitled 'Hanes derwyddiaeth y cyn-oesoedd'.

An Essay on 'Derwyddiaeth' by 'Nefydd' and in his autograph.

A composite volume containing miscellaneous material in the hand of Edward Williams ('Iolo Morganwg') including pp. 9-34, a short treatise on the Welsh bardic order, its organisation, ceremonies, etc., with the superscription 'Llyma Lafar Gorsedd Beirdd Ynys Prydain . . sef ydyw hynny son Defodawl am Freiniau a Defodau Beirdd Ynys Prydain fal y bu gynt yn Amser y Prifeirdd a Thywysogion y Cymry . . .', being allegedly a transcript of material extracted by the Glamorgan scribe Llywelyn Siôn of Llangewydd from a manuscript in Raglan Castle (for the Welsh text see Iolo Manuscripts . . ., pp. 49-62, and for an English translation ibid., pp. 430-48); 39-42, notes with the superscription 'Llyma Lyfr y Barddas sef Derwyddoniaeth Beirdd Ynys Prydain . . . ac ynghyntaf y mae Traethawd hawl ag atteb Bardd ac awenydd o waith Siôn y Cent. . .', being apparently a transcript of the first section of an essay or treatise on aspects of Welsh bardism allegedly compiled by the aforementioned Llywelyn Siôn from sources at Raglan ('llyfrau . . . yng gellawl rhaglan') (for text and trans., see John Williams: Barddas . . ., vol. I, pp. 224-35); 49- 76, 89-91, 154, 166-70, 177-80, 200-09, 212-14, notes on the special alphabets, 'The Bards' Alphabet' and 'The Monks' Alphabet', which [according to Edward Williams] had been in use amongst the Welsh bards and monks, the practice of inscribing these on wooden surfaces, the 'peithynen ', i.e. the term used to denote a series of four-sided 'billets' or pieces of wood used as a writing surface on which to inscribe words or compositions in the bardic alphabet and inserted in a wooden frame, the mythological account of the origin of the first alphabet devised by human beings, the acquisition of the knowledge of the alphabet by the nation of the Cymry, etc. (for similar material see NLW MS 13093E above); 97-111, 'A Short Account of the Welsh Bards' including a list of ?twenty-two of the 'leading maxims and doctrines of Bardism'; 123-51, further notes on the history, organisation, ceremonies, etc., of the Welsh bardic order; 155-65, lists purporting to contain examples of the following alphabets - 'Gallicum vetus' (extracted from [J.] Mabillon: De re diplomatica . . .), 'Runic', 'Gothic Alphabet of Ulphilas' Gospels', 'Etruscan' (from one of the works of [A. F.] Gori), 'Ancient or Pelasgic Greek characters', 'Romano-British of the 5th Century' (from 'monumental stones at Lantwit Major, Glam[organ]'), 'Bards' Alphabet', 'Monk' Alphabet', 'Saxon Alphabet', etc.; 185-9, ? extracts from Ole Worm: [Runir] seu Danica Literatura antiquissima . . . (Hafniae, 1636); 191-5, transcripts of a 'cywydd' by, or attributed to, Gutto'r Glynn, and 'englynion' by, or attributed to, D[afydd] ab G[wily]m, and extracts from the works of various Welsh bards; 239-63, 'An Account [of] the British Bards and the Bardic or Druidic Mythology and Theology'; 267-76, notes on ceremonial procedure, etc., at bardic meetings; 283-314, a copy of an English poem described as an 'Ode on the Mythology of the Ancient British Bards in the manner of Taliesin. Recited at a Congress of Ancient British Bards assembled on Primrose Hill near London, Sepr. 22d, 1792 . . .', with an introductory 'advertizement' describing the bardic or druidic order, and copious notes on the text (for this poem, with slight textual variations and a variant version of the introductory 'advertizement', see Edward Williams: Poems Lyric and Pastoral . . . (London, 1794), Vol. II, pp. 193- 216); and 325-34, miscellaneous notes and extracts relating to the religion of ancient Gaul, the druids, etc.

Miscellaneous papers containing notes, extracts, transcripts, lists, etc., in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. Pp. 9-62, 68-73, 76- 90, 107-48, 213-20 and various other pages in the volume contain miscellaneous Welsh word lists frequently, but not invariably, with English definitions and illustrative excerpts from the works of Welsh poets. Other items include pp. 63-5, an incomplete 'Cornish - Silurian vocabulary' (words beginning with letter A only); 75, a comparative word list with the superscription 'Peculiarities of the Silurian and Venedotian dialects'; 93-106, a list of popular proverbial and figurative expressions or phrases in Welsh (see IM, t. 389); 149-50, 157-63, lists of Latin proper names, common nouns, etc., largely connected with ancient Gaul; 153- 6, 165-208, a French - English vocabulary with Welsh cognates of the French words; 221-30, a Cornish - English vocabulary with the superscription 'Borlace Vocabulary' [probably transcribed from, or based upon, the vocabulary to be found in William Borlase: Antiquities, Historical and Monumental, of the County of Cornwall . . . (1754, 2nd ed. 1769)], with Welsh cognates of the Cornish words; 236, 'Some Names of Rivers in Glamorganshire'; 237, a copy of a poem attributed to Taliesin; 240, notes headed 'Names of Mountains'; 241-2, notes headed 'Appelative Name of Watter', and 'Proper Names of Rivers'; 251-8, a collection of Welsh proverbs arranged alphabetically according to the initial letter (incomplete, G-Y only); 260-61, a Welsh poem by Edward Williams; 262, a list of 'Silurian words agreeing with Armoric'; 273-4, two lists with the headings 'Books and MSS. useful towards the History of Cardiff', and 'Hints and Materials for the History of Cardiff' respectively; 281-2, a copy of a thirty-eight stanza anti-Puritan poem entitled 'Cân i Ladron Morganwg' attributed to 'Jenkin Rhichards o Flaenau Gwent' and dated 1646 (for an assessment of the historical evidence presented in this poem see Thomas Richards: A History of the Puritan Movement in Wales (London, 1920), p. 211, and the same author's Religious Developments in Wales, 1654-1662 ( London, 1923), pp. 191-4, and for doubts as to its authenticity IM, tt. 254-63); 283-4, a transcript of a letter from [the Reverend] Edw[ar]d Gamage [from St. Athan] to Llywelyn [ab Ifan] 'o'r Cannerw', undated (replying to a request for the names of books for the study of the Welsh language, observations on differences between the dialects of Glamorgan and North Wales, a suggestion that a scholarly, bardic language be formed from the best elements in all regional dialects) (for a holograph copy of a letter from Edward Gamage to Llywelyn ab Ifan see NLW MS 13077B and for transcripts by Edward Williams of letters from, or allegedly from, Gamage to the same recipient in addition to the present example see NLW MSS 13095B, 13100B; for observations on these letters and the dubious authenticity of the Williams transcripts see IMCY, tt. 58-60, TLLM, tt. 107, 195, and IM, tt. 245-6); 285, a copy of an 'englyn' descriptive of a silkworm and 'composed of vowels'; 291, an incomplete transcript of [Thomas] Gray's 'Ode on the Pleasure arising from Vicissitude'; 295-8, a chronicle of events in British-Welsh history, 1076-1110; 299-300, notes on the Welsh bardic order with references to [James] Macpherson's theories about the druids and bards and a comment on his Fingal poem; 302, extracts from the Universal Magazine of Knowledge and Pleasure, 1768; 303-04, a transcript of [Taliesin's poem] 'Gwaith Argoed Llwyfain' with an English translation thereof by W[illia]m Whitehead (see Edward Jones: Musical and Poetical Relicks of the Welsh Bards . . . (1784), pp. 5-6); 307-10, an English translation of the title-page of Theophilus Evans: Drych y Prif Oesoedd . . ., ail arg. [1740], and of pp. 107-10 of the text of the work; 315-16, a copy of a letter from 'Christopher Crabstick', servant of Mr. Windham [Thomas Wyndham of Dunraven Castle, co. Glamorgan], to Captain Wind[s]or [Captain Thomas Windsor, R.N.), undated (a satirical attack on recipient's decision to offer himself as a candidate in the parliamentary election for the county of Glamorgan [?1789]); 323, draft copies of an election song to accompany the preceding item; 317-20, brief notes on the topography, agriculture, mineral wealth, etc., of the three main divisions of Glamorgan; 321-2, an advertisement for a proposed history of the town of Cardiff and lordship of Glamorgan; 326, a copy of the proposed title- page of Edward Williams's intended 'History of the Ancient British Bards or Druids' to be published in 1795; 327-30, notes on Welsh poetic metres ('Am gysefin ansawdd y mesurau') and on bardic ceremonial ('defodau . . . wrth gynnal gorsedd'); 333-4, prose items with the superscriptions 'Casbethau serchog', 'Llyma lythr anfon serch o waith D.G. o lyfr Ovydd', 'Dewisbethau serchog o lyfr Ofydd', and 'Casbethau Eiddig'; 335-6 two sequences of stanzas (twenty-one and twenty-four respectively) of Welsh prophetic verse with each stanza commencing with the words 'Coronog faban . . .', the first sequence being taken, with revised orthography, from Thomas Pugh: Brittish and Out-landish Prophesies . . . (London, 1658) [pp- 47-51, 37-8] (for the text of both sequences see Iolo Manuscripts . . ., pp. 276-82); 337-8, an incomplete copy of a Welsh poem describing the county of Glamorgan, its towns, etc. (for the missing portion, i.e., stanzas 1-30, see Iolo Aneurin Williams MS 97 in the National Library of Wales); 339-40 transcripts of two 'cywyddau' attributed to Ieuan ap Hywel Swrdwal and Gruff. ap Ieuan ap Llywelyn Fychan; 341-2, a transcript of a letter in Welsh from the poet Gronw Owen from Donnington, co. Salop, to William Elias, 1751 (for the text of this letter and notes on problems relating thereto see J. H. Davies (ed.): The Letters of Goronwy Owen . . . (Cardiff, 1924), pp. 3-4, 203-04); 343-5 medical maxims in Welsh; and 347-8, transcripts of 'englynion' by Wm. Llyn, H[uw] Llyn, and Edward Morris. Also included are miscellaneous notes on bardic, literary, and historical matters, etc.

Miscellaneous papers containing notes, transcripts, extracts, etc., in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. The contents include pp. 10-18, notes on the royal ancestors of Iestyn ab Gwrgan, lord of Glamorgan, to the time of Morgan Mwynfawr extracted 'o Lyfr Mr. Thos. Trueman o Bantlliwydd' (for the Welsh text see Iolo Manuscripts . . ., pp. 3-11, and for an English translation ibid., pp. 331-56); 21, extracts [from Thomas Carte: A General History of England . . . (London, 1747-1755)]; 22-38, notes on the rulers of Glamorgan from the time of Morgan Mwynfawr to the time of the aforementioned Iestyn ab Gwrgan, the quarrels leading to the conquest of Glamorgan by the Normans under Robert Fitzhamon, the subsequent Norman lords of the territory, and the coming of the Flemings to Glamorgan (for the Welsh text of pp. 22-9 see Iolo Manuscripts . . ., pp. 12-17, and for an English translation ibid., pp. 357-83); 39-40, a brief chronicle of political events, earthquakes, plagues, extreme weather conditions, etc., temp. William I to temp. Edward VI; 41, a short chronicle of events in South Wales, 1030-1079; 42-3, a list of the bishops of Llandaf, 436-1396; 44- 7, miscellaneous topographical and historical notes on Glamorgan; 48-9, notes on Dafydd ap Gwilym; 50-51, 'Hanes y tri Marchog ar ddeg' (an incomplete account of the thirteen Norman knights who conquered Glamorgan); 52-4, miscellaneous historical anecdotes relating mainly to Glamorgan (see Iolo Manuscripts . . ., pp. 64-7, 450-53); 56-60, genealogical and historical notes on the Stradling family, eleventh-seventeenth cent. ('allan o hen lyfr St. Dunwyd gan y Parchedig Mr. Edward Gamage, Periglor St. Athan'); 64-7, a Welsh-English list of species of apples found in Glamorgan and Gwent and of pears ?found in the same region (see IM., tt. 334-8); 68-9, a list of mountains and rivers in Glamorgan; 72-4, further notes on the lordship of Glamorgan and its conquest by the Normans (from British Museum Harleian MS 368; see Cambrian Journal, 1859, pp. 68-71); 78-81, a brief account of the history of Glamorgan from the time of Morgan Mwynfawr to the reign of Henry VIII 'translated from a Welsh MS late in the possession of the Revd. Mr. Gamage, Rector of St. Athan, and now of Mr. John Spen[ ] of the same place'; 82-5, historical anecdotes relating to the lords of Bewper Castle [co. Glamorgan], anecdotes relating to the brothers William and Richard Twrch and the building of the porch and chapel gateway at Bewper, late sixteenth-early seventeenth cent. (see IM, tt. 272-3), a note on Inigo Jones, and notes on Dunraven Castle; 86-95, notes relating to St. Illtud, the monastic church and school at Llanilltud [or Llantwit Major, co. Glamorgan], and the abbots of the said monastery, including extracts from [Thomas] Carte: op. cit., and a manuscript sketch plan of Llantwit Major, ? late eighteenth cent. (see note in IM, t. 316); 95-115, general notes on British history to the second half of the thirteenth cent., including extracts from Carte: op. cit.; 116-23, miscellaneous brief notes on the topography, agriculture, industries, commerce, etc., of Glamorgan, with references to the iron works at Merthyr Tidvil, Aberdare Vale, Newbridge, Pentyrch, and Melin Griffith, the porcelain works at Nantgarw, etc.; 125, extracts from Archaeologia, vol. VI; 126-7, notes on the Voss family more particularly William Voss of St. Athan and Nicolas Vosse of Lantwit (circa 1750) [both of co. Glamorgan], and the latter's books; 128-31, 'Cursory Remarks on reading Camden's account of Glamorgan'; 132-3, copies of extracts from the register of the parish of Lantwit Major [co. Glamorgan] and other data relating to the Vosse family; 134, proposals [by Edward Williams] for publishing a periodical to be called Dywenydd Morganwg (see IM, tt. 214, 363, 387-91); 135, a note on 'Y modd i wneuthur Lloriau da mewn tai' (see IM, t. 363); 136, notes on the village of Llandaff [co. Glamorgan] and the vicinity; 137, anecdotes relating to the poet Dafydd o'r Nant, [the Methodist cleric, the Reverend] Daniel Rowland, and a seventeenth century poet Will Tabwr; 142-3, a ? draft copy of a letter to the clergy of the town and neighbourhood of Cowbridge [co. Glamorgan], suggesting a plan for adding [Bishop Richard Watson's work A Collection of] Theological Tracts [Cambridge, 1785] to a circulating library the writer had established in the town; 146-7, copies of three English poems headed 'Poetical Anecdotes of Glamorgan', one being by Christopher Roberts of St. Athan and ? two by Edward Williams of Lancarvan; 148 and 151, brief notes on the Glamorgan towns, etc., of Caerffily, Merthyr Tidvil, Cowbridge, Bridgend, Lantrisant, Landaff, and Cardiff; 150, a list of the products of Glamorgan which were, or could become, articles of trade and commerce; 154-7, copies of the memorial inscription ? on the tomb of Roger Seys in the church of Lantwit Major, and notes on the Seys family's connection with the Boverton estate [co. Glamorgan]; 158- 69, notes on the topography, agricultural produce and methods, horticulture, etc., of Glamorgan headed 'Remarks on J. Fox's General View of the Agriculture of [the county of] Glamorgan ([London], 1796)', and notes on the pastime known as 'Bandy playing' (see IM, tt. 54-6); 170-76, observations on Newton Down [co. Glamorgan], and on Brandon Hill and Cliffon Hill near Bristol; 181, a report on a survey of the pillars and arches dividing the nave from the south aisle in Cowbridge parish church carried out in 1810 by the churchwardens assisted by Edward Williams ['Iolo Morganwg'] and Taliesin Williams, masons, and David Jenkins, carpenter; 182-3, an incomplete draft or copy of a letter in Welsh addressed to the Protestant dissenters of Glamorgan advising them to vote for [Thomas] Wyndham of Dwnrufan (Dunraven) rather than for his opponent Captain Thomas Windsor in the Glamorgan parliamentary election [? of 1789]; 188, notes on Boverton house [co. Glamorgan]; 192-3, an anecdote relating to Penmark church [co. Glamorgan]; 196-231, a transcript of the section of [John] Leland's Itinerary which deals with Glamorgan; 232-51, miscellanea including an incomplete Welsh poem on the county of Carmarthen, its towns, etc., observations on statements in the first few pages of [Edward] Jones: [Musical and Poetical Relicks of the Welsh] Bards . . ., 2nd ed. [1794], and further notes on 'bandy playing' (some of these on the blank versos and margins of printed proposals for publishing Edward Williams's volume of English verse Poems Lyric and Pastoral in 1792, and his Cyfrinach Beirdd Ynys Prydain in 1821); 253-4, the words and music of a 'Catch written for the Pine Apple Catch club in Bristol . . . by [Thomas] Chatterton, father of Thomas Chatterton, the poet'; 256-7, a copy of a letter in Welsh from Rhys Morgan from Pencraig nedd [co. Glamorgan], to [ ], 1751 (praise for recipient's poems, the continuance of the Welsh bardic tradition in Glamorgan, the state of the Welsh language in the county, its use in church services, the failure of the county of Monmouth to produce Welsh poets) (for the text of this letter with the opinion that it is a forgery to be attributed to Edward Williams himself see TLLM, tt. 260-61; see also ibid., tt. 101-02, and IM, tt.77-8, 274); 258-61, a copy of an eight-stanza 'Song for the Glamorgan Volunteers' by Edward Williams, with preface and notes on some of the proper names in the text; 262-73, notes on early Welsh literature, the extant manuscript sources thereof, the authenticity of the material in these manuscripts, etc., written on the verso and in the margins of copies of a printed handbill containing proposals, 1793, for publishing The Celtic Remains (vol. I by Lewis Morris, vol. II by Walter Davies), and of a printed handbill announcing an 'eisteddfod' to be held at Caerwys [co. Flint] in 1798 under the patronage of the Gwyneddigion Society (some of this material appears to be a draft version of sections of the essay 'A Short Review of the Present State of Welsh Manuscripts' which forms the preface to The Myvyrian Archaiology of Wales . . ., vol. I, (London, 1801)) (continued)

278-9, notes headed 'Llyma'r Ddosparth a wnaeth y Brenin Arthur ar achoedd a'r Cof a'r cadw arnynt ac ar fonedd Cenedl y Cymry a'u Breiniau'; 279, anecdotes relating to Gruffydd ap Llywelyn ap Seisyllt and opposition to his claim to the principality of Powys circa 1040, and a convention held at Henffordd ( Hereford) in connection therewith when matters relating to the genealogy and rights and privileges of the Welsh nobility, etc., were discussed and ? an agreed code was drawn up, and notes on the duties of the Welsh bards with regard to genealogy and heraldry; 280-85, notes relating to the Welsh bardic order and Welsh musicians including notes with the superscription 'Llyma hen Ystatut Cadair Tir Iarll fal a'i trefnwyd yn amser yr Arglwydd Clâr diweddaf . . .'; 286-9, miscellanea including notes on the meaning of the expressions 'Mab aillt' and 'Mab aillt beirdd', notes on the loss of a manuscript copy of the statutes of Grulfudd ap Cynan from the Ashmolean Museum [Oxford] and of a Welsh translation of the works of Aristotle by John David Rhys from the library of Jesus College [Oxford], a comment on Jesus College, and brief notes on the Welsh strict poetic metres; 295, a copy of an 'englyn' attributed to Dafydd ap Edmund; 303, notes on the relationship between the vocabulary of a language and the cultural and technical attainments of the speakers of the language; 305, a copy of an 'englyn' attributed to D[afydd ap] G[wilym]; 306-07, an incomplete transcript of a Welsh poem entitled 'Cynghorion Tad i'w Fab' attributed to Henry Evans 'o'r Gelli Gaer ym Morganwg'; 308-09, a transcript of twenty- two stanzas of Welsh verse entitled 'Englynion Marchwiail' and attributed to Mab claf ab Llywarch; 314, ? an extract re the Latin language from a letter from R. Flaherty to E[dward] Llwyd; 315, a note on Llywelyn Siôn, the Glamorgan scribe [late sixteenth cent.], a note on the possible origin of the 'coelbren' and 'coelfain' amongst the Welsh bards, and a transcript of four 'englynion' ? attributed to Rhys Brydydd; 316, a list of the descendants of Caw o Brydyn, a list of the achievements of the Stradling family ('Gweithredoedd y Stradlingiaid'), a note on Mauritius Morganensis, poet and rhetorician, a copy of an 'englyn' written by Prince Llywelyn ab Gruffudd after the battle of Aberconwy, a list of 'Saith Brif Glaswrdai Ynys Prydain', and a note on the castles of the kings of Morganwg; 317, notes relating to Caerfilly castle [co. Glamorgan] and to Sir Gilbert Stradling (temp. Richard I) and the origin of the Knights of the Garter; 317 + 322, notes on Sir Edward Stradling and his connection with Dr. John David Rhys and Dr. Thomas Lleison; 320, a note on the teaching activities of Glamorgan bards circa 1700, and ? a list of bards at an eisteddfod held at Llandaf in 1564; 320, 328, 329, 334-5 343, 363, 392, lists of Welsh proverbs, popular sayings, etc.; 322-7, notes on Welsh poetic metres, bardic meetings, and the tradition re the original home of the Ancient Britons (Deffrobani); 330-33, brief biographical notes on a number of Welsh bards (medieval- eighteenth cent.); 333, notes headed 'Gosgorddiadau'r ser ydynt fal hynn'; 335, a copy of six stanzas of Welsh verse entitled 'Pennillion Morganwg'; 337, lists of Welsh names for the months of the year (see John Williams: Barddas . . ., vol. I, pp. 410-17); 339, a copy of an 'englyn' attributed to Wm. Cynwal; 357, notes on an oak tree at Cefn Mabli, co. Glamorgan; 360, notes on an 'eisteddfod' held at Y Pil [co. Glamorgan], circa 1740, a brief list of Welsh triads, and a list of troubadours and Welsh poets, ob. 1122-1300; 361, notes on Dafydd ap Gwilym and the 'cywydd' measure, Dafydd o'r Llwyn, an 'eisteddfod' held at Nant Conwy [co. Caernarvon], 1 Edward IV, and the confusion concerning the date of the 'eisteddfod' held at Carmarthen, 1451 or 1461; 362, a transcript of an 'englyn' attributed to Samuel Jones 'o Fryn Llywarch'; 363, a transcript of an 'englyn' attributed to Thos. Llywelyn 'o Regoes' and a few Welsh triads; 370, a transcript of an 'englyn' attributed to Thos. Lln.; 371, a copy of an elegy in Welsh with the superscription 'Carmen Britanicum on the Death of Queen Caroline per Ned Edwards of Talgarth . . .', and a note on a copy of 'Dr. Gr. Roberts Grammar printed in Italy, A.D. 1567, in the hands of Mr. E. Evans. . .'; 381, a version of the Lord's Prayer (Welsh) in verse, and transcripts of 'englynion' attributed to Rhys Cain and ?D. o'r Nant; 387, a brief note on the building of Landaff Bridge and Rumney Bridge in the seventeenth century; 388, historical notes relating to Carfilly Castle; 390, transcripts of 'englynion' attributed to Huw Llyn, Wm Llyn, Siôn Tudur, and Dr. Morgan, Esgob Llandaf; 391, miscellaneous Welsh triads; 393, seventeen maxims headed 'Llyma ymadroddion Barddas o Lyfr Ieuan ab Hywel Swrdwal' (see John Williams: Barddas . . ., vol. I, pp- 270-75; 394, miscellaneous Welsh triads; 395, 'Gwyddor Dewiniaeth Gildas Broffwyd' (see Iolo Manuscripts . . ., pp. 195-6, 608-09); 396-7, miscellaneous notes on bardism, a few Welsh triads, and transcripts of ? two 'englynion' attributed to Siôn Tudur; 401, transcripts of two 'englynion' attributed to ? y Capten Middelton and Morys Cyffin; 405, an extract from a letter from Captain Wm. Myddelton to his nephew, and transcripts of 'englynion' attributed to D. Ddu Eryri and D. Davies, Castell Hywel; 460-09, a Latin-English list of rare plants to be found in various English counties; 410-12, extracts from the English version of [William] Camden ['s Britannia]; 416-19, notes on the Welsh bardic order headed 'Llyma Llafar Gorsedd Beirdd Ynys Prydain Ile gellir gweled Breiniau a Defodau Beirdd Ynys Prydain . . .' (see John Williams: Barddas . . ., vol. II, pp. 10-23); 422-67, miscellaneous notes in English on British or Welsh bardism, its organisation, ceremonial, connection with druidism and the Christian religion, etc. (there is considerable repetition in these notes, they possibly represent several drafts of parts of an essay on the subject of bardism); 468-70, a transcript of the title-page, advertisement, and part of the introduction to Charles Wilkins: The Bhagvat-Geeta . . . (London, 1785); and 472-3, extracts from [Edward] Jones: [Musical and Poetical Relicks of the Welsh] Bards . . ., 2nd ed. [London, 1794], pp. 83-4. Also included, pp. 278-470, are lists of Welsh words sometimes with English definitions and/or illustrative excerpts from the works of Welsh poets, notes on Welsh words or elements in Welsh words, etymological and philological notes on the Welsh language, notes on Welsh grammar, extracts of varying length (one line, 'cywydd' couplets, etc.) from the works of Welsh poets, and a multitude of miscellaneous items of historical, literary, or bardic significance.

Miscellaneous papers containing notes, transcripts, extracts, copies of his own poems, etc., by Edward Williams ('Iolo Morganwg') bound together in one volume and paginated 1-390. The contents include notes on the perpetual calendar carved on wood known as 'The Staffordshire Clogg' (p. 13); notes on the special alphabet usually inscribed on wooden surfaces which, according to Edward Williams, was used by Welsh bards (pp. 15-25); notes on the method of inscribing the said bardic alphabet headed 'Llyma ddangos y modd y gwneir Coelbren y Beirdd' (p. 29; see John Williams: Barddas . . ., vol. I, pp. 142-51); notes, often in the form of questions and answers, on Welsh bardic lore relating to the origin of letters ('Pa fodd y cafad Gwybodaeth gyntaf ar lythyr' (p. 36), 'Pwy a wnaeth Lythyr gyntaf' (p. 41), 'Pwy gyntaf a gafas ddeall ar lythyr' (p. 91)), the origin of life ('O beth y Gwnaeth Duw'r byd a bywydolion' (pp. 77-8)), etc. (for much of this material see various sections of John Williams: Barddas, vol. I); notes on matters of bardic significance under headings such as 'Trioedd y Ford Gronn sef Trioedd Cadair Tir Iarll Er dangos a Gyrru addysg ar y Gwybodau a'r gelfyddyd a'r drefn a ddylid ar gadair a gorsedd ac ar Gerdd Dafawd . . .' (p. 72), 'Llyma Dderwyddoniaeth Beirdd Ynys Prydain a'i Barn am Dduw a phob bywydolion . . .' (pp. 85-9; see Barddas, vol. I, pp. 204-13), 'Llyma Rol Cof a Chyfrif' (pp. 212-14; see Iolo Manuscripts . . ., pp. 45-9, 424-9), and 'Teuluwr-Datgeiniad' (p. 244 ); notes on Welsh poetic metres, etc., headed 'Cerdd Deulu' (p.42), 'Llawrol y Beirdd Meyryg Dafydd' (pp. 51-2), 'Cylmau sef Caeau Cerdd Dafawd' (p. 180), and 'Pedwar Mesur ar hugain Dosparth Caerfyrddin' (p. 355); lists, many incomplete, of miscellaneous Welsh triads including lists with the headings 'Llyma Drioedd y Beirdd' (p. 78), 'Trioedd Ynys Prydain o Lyfr Iaco ab Dewi gan Rys Thomas' (pp. 157-63), 'Trioedd Cymmysg, 1798' (pp. 169-70), 'Trioedd o Lyfr Menw Hen' (p. 171), 'Trioedd Bonedd' (p. 172 ), 'Trioedd Addwynder' (pp. 173-5), 'Trioedd Gruffydd ab Cynan' (pp.183-? 90) 'Trioedd Dosparth y Ford Gronn' (p. 221), 'Trioedd amravaelion' (pp. 223-4), 'Trioedd Cerdd' (pp. 232-3, 267-8, 273), 'Trioedd Ach a Bonedd' (p. 234), 'Trioedd y Beirdd (Octr. 1797)' (pp. 241-2), 'Eraill o drioedd y Teuluwr' (pp. 245-6), 'Llyma drioedd Cerdd o Lyfr Celli Wion' (pp. 246-7), 'Llyma Hen drioedd Cyfarwyddyd . . .' (p. 249), 'Trioedd Cymmysg' (pp. 249- 50, 271-2), 'Trioedd Derwyddoniaeth' (p. 254), 'Trioedd y Beirdd' (pp. 258 + 252), 'Trioedd Barddas a Defodau' (pp. 260-62; see Barddas, vol. I, pp. 344-57), 'Trioedd Bonedd' (pp. 263-5, ? 262), 'Llyma Drioedd Llelo Llawdrwm . . .' (pp. 270-71), 'Llyma Drioedd o amrafaelion lyfrau . . .' ( pp. 273-4), and '. . . Rhai o drioedd ynys prydain a gymerwyd allan o lyfr Mr. Fychan yn Llyfrgell Hengwrt gan Lewis Morris, Esqr., 1738' (pp. 279-80 ); English translations of two of the aforementioned lists of triads under the headings 'The Bardic Triades' (pp. 251 + 253), and 'Druidic Triades' (p. 255); a copy of an 'awdl' attributed to Dafydd y Coed (p. 56); notes on Sir Gruffydd Llwyd, son of Rhys ap Gruffydd, and the late thirteenth century Welsh poet Trahaearn (p. 57); a copy of an epitaph attributed to Edw[ar]d Rich[ar]ds, Ystrad Meurig (p. 118); music and words under the heading 'Cyngog yr Iuddewonn' (p. 123); notes headed 'Collections for a Silurian Grammar' (pp. 129-30); notes ? on a proposal to publish a multi-volume work or works on matters of Welsh bardic, literary, linguistic, historical, and antiquarian interest (pp. 229-30, 236); notes on various forms of the proper name Einigan (pp. 238-9); a list of the names of ancient Welsh bards (p. 248); a version of the Welsh prose text 'Breuddwyd Gronwy Ddu' (pp. 275-6); a list of the traditional thirteen royal treasures of the Isle of Britain ('Llyma drithlws ar ddeg o frenin dlysau ynys prydain . . .') (p.276); draft proposals for publishing Cyfrinach Beirdd Ynys Prydain (p. 281); and a letter from [Edward Williams ] 'Iorwerth Morganwg' from Tredelerch, to John Edwards at Mr. Owen Jones, London, 1784 (personal, a ? proposed publication by 'Sieffrai o Walsal', Mr. [William] Warrington's proposed 'History of Wales', the writer's interest in the old realm of Glamorgan, changes in the names and boundaries of the medieval divisions of Wales, mention of [Owen Jones, 'Owain] Myfyr' and the Cymmrodorion and Gwyneddigion Societies, a request for a copy of 'awdl Aneurin ar amrafael rhannau Cymru') (pp. 343-6). The contents of pp. 289-342 and 347-82 consist almost entirely of transcripts of Welsh strict-metre poems in the form of 'cywyddau' and 'englynion'. Many of these bear one of the various bardic names adopted by Edward Williams at various times ('Iorwerth Morganwg', 'Iorwerth Gwilym neu brydydd bychan Morganwg', 'Iolo Morganwg') and all may possibly be his compositions.

A composite volume in three sections containing 'cywyddau', 'englynion' and 'awdlau' by Dr Sion Cent, Syr Dafydd Trefor, Llewelyn Goch ab Meirig hen, Einion ap Gwalchmai, Iolo Goch, Gutto'r Glynn, Syr Rhys Drewen, Tudur Penllyn, Howel Reinallt, Syppyn Gefeiliog, Bedo Brwynllys, Howel Cilan, Morys ab Ifan ab Einion, Ieuan Brydydd hir, Tudur Aled, Ralph ap Connoay, Gruffydd Grug, Robin Ddu, Meredydd ap Rhys, Efan Fychan ab Morganwg, William (Gwilym) Cynwal, Owain Gwynedd, Sion Tudur, William Lleyn, Rhys Cain, Sion Phylip, Edmund Prys ('Arch-diacon'), Gruffydd Phylip, Edward ap Ralph, Rhichard Phylip, Lewis Glyn Cothi, Gruffydd Hiriaethog [sic], Morys ap Howel ap Tudur, Rhys Ednyfed, Ieuan Dyfi, Gruffydd Leia, Ieuan Deulwyn, Sion Brwynog, Gruffydd Ifan ab Llewelyn Fychan, Dr Sion Dafydd Rhys, Roger Cyffin, Thomas Prys (Plas Iolyn), Wmffre Dafydd ab Ifan, William Phylip, Dafydd ap Rhys, Dafydd Dafis ('gwas Owen Wynn o'r Glyn'), Ellis Rolant ('o Harlech'), Thomas Llwyd ('o Benmen'), Mr Hugh Lewis, D. D. Gwynn, Huw Llwyd Cynfal, Edward Morys, [John Davies] 'Sion Dafydd Las ('Sion Penllyn'), Owen Gruffydd, (John Roderick] S[iôn] Rhydderch, William Elias, Huw ap Huw, [John Roberts] 'Sion Lleyn', [David Thomas] 'Dafydd Ddu Eryri', Gruffudd Williams ('Gutyn Peris'), Gronw Owen, Simwnt Fychan, Huwcyn Sion, 'Nid Prydydd ... ond Gutto rhiw Fwngler', Ieuan Grffudd, Deio ap Ieuan Ddu, Rhys Llwyd ab R[hys] ab R[hisiart], Hywel ab Dafydd ab Ieuan ab Rhys ('ne Hywel Dafi neu bardd Rhaglan'), Lewis Owain ('o Dyddyn y Garreg'), Mr. Rowland Price, Sion Mowddwy, Gruffuth Parry, and Robert Edward, and anonymous compositions; 'Ychydig o hanes cyff-Genedl y cymru'; notes on 'Coptic Alphabet', 'The Syriac Alphabet', 'The Hebrew Alphabet', 'Greek Alphabet', three grades of Druids, and church inscriptions from Llaneinion (Lleyn) [i.e. Llanengan], Caernarvonshire, and Llaniestin (Anglesey); 'The names of the several churches in Anglesey and the time in which they were built'; a holograph copy of a letter from J[ohn] Thomas ['Sion Wyn o Eifion'], Chwilog to [David Thomas, 'Dafydd Ddu Eryri'], 1808 (observations on [Yr] Eurgrawn [Cymraeg]); anonymous carols; etc. The respective sections are in the hands of Robert Williams ('Robin Llys Padrig'), Abererch, Evan Prichard ('Ieuan Lleyn'), and John Thomas ('Siôn Wyn o Eifion'). Annotation by D. S[ilvan] E[vans]. Bound in at the end is a typescript alphabetical list of first lines of poems.