A manuscript containing poetry (pp. 17-42), the poets including Taliesin, Iolo Goch, Dafydd ab Edmwnt and others, with poetry included also within other sections of the text; triads attributed to Taliesin (p. 16); the Rood legend (pp. 97-103); apocryphal gospels (pp. 104-153, 259-269, 272, 274-276); the Purgatory of Patrick (pp. 202-212); lives of saints (pp. 161-187); proverbs and adages, etc. (pp. 10-12, 14-15, 299-300); prayers (pp. 13, 238-250, 255); vocabulary (pp. 95-96); a planisphere, calendar, planetary tables and other astrological material (pp. 43-86, 89-90, 281-291); interpretation of dreams (pp. 91, 94); palmistry (pp. 92-93); directions concerning bleeding, medical recipes, etc. (pp. 1-9, 87-88, 236, 277-280, 300c-301); &c. A note on p. 221 states that 'Ieuan ap William ap dd: ap ejnws ajysgrivenodd yllyvr hwn i gyd ari gost ihvn i gael o bobyl ddifyrwch o hono alles yw heneidiav o hwn'; there are, however, a few pages (pp. 139-142, etc.) in other hands. There is a table of contents at the beginning in the hand of Richard Morris, 1784-1785, and another at the end by ?William Jones, who states that the manuscript was 'procured me by Mr. Holmes of the Tower'.
The dates appended to many of the subjects in the text show that the binder is responsible for the present derangement of the folios.

A small volume written in the eighteenth century lettered on the spine 'Llyvr Dos=parth a Cadwe= digaeth Cerdd Dannau, I'. The scribe was David Jones ('Dewi Fardd') of Trefriw. The contents are as follows: pp. 1-23, 'Clod Cerdd ai Dechreuad' beginning 'Fy Mryd sydd ar hyn om llafur ddwyn ar ddeall it Darllewr . . . Eithr o arfer Cerdd Theoricall y Nef, ni ymadroddwn am dano' [cf. B.M. Addit. MS 14989, ff. 82 recto-111 verso, and also D. Gwenallt Jones, 'Clod Cerdd Dafod', in Llên Cymru, I, pp. 186-7, and Gwendraeth Jones, 'Siôn Conwy III a'i Waith', in B.B.C.S., XXII, pp. 23-4 in particular]; pp. 24-30, 'Gryffydd ap Cynan Twysog Cymru a wnaeth Gyfraith ar y Gwyr wrth Gerdd, yr hon a elwir Ystatud Gryffydd ap Cynan', beginning 'Llyma y sawl y sydd rydd yddynt Glera . . .' and ending '. . . a Disgyblion, gwedi Cael graddau or blaen mewn Eisteddfodau neu Neithorau Reiol. Ac felly y Terfyna Ystatud Gryffydd ap Cynan Twysog Gwynedd, ar y Gwyr wrth Gerdd'; pp. 32-54 , 'Naw o Gyd-gordiadau sydd mewn Desgant neu Brior . . .' followed by lists of airs, etc. ('Ar y Bragod Gywair', 'Y Clyme, y Gogywair', etc.) ending with 'Llyma'r 24 mesurau Cerdd Dant' and 'Llyma y Rheolau Cerdd Dafod'; p. 55, 'Llyma Lyfr a Elwir Cadwedigaeth Cerdd Dannau' beginning 'Nid amgen, Telynnau, a Chrythau o fewn 3 Talaith Gymru . . .'; p. 59, 'Llyma fal y nodwyd wrth Ystatud Gryff: ap Cynan, Rhoddion i bob Gradd yn ei Radd, o Gerdd Dafod, a Thant', beginning 'Tair Gwyl arbennig sydd nid amgen Nadolig, Pasg, ar Sul gwyn . . .'; p. 62, a 'cywydd' by William Llun ('Cywydd i ofyn Telyn i Siencin Gwynn, o Lan=idlos'); and pp. 65-71, a list of the names of bards ('Henwau'r Beirdd'), A-R, with one or two later additions, one name on p. 66 ('Gruffdd. ap Lln. Vychan'), being probably in the autograph of Edward Williams, 'Iolo Morganwg'. There is a triad on p.54. On the fly-leaf in a later hand is written 'Dosparth Cerdd Dafod'.

A transcript by John Thomas ('Sion Wyn o Eifion') of cywyddau and other poems by Robin Ddu, Rhys Goch Eryri, Iolo Goch, Tudur Aled, Dafydd Gorlech, Dafydd Llwyd ap Llywelyn ap Gruffudd, Dafydd ap Hwlcyn ap Madog, Rhys Llwyd ap Rhys, Maredudd ap Rhys, Mathew Owen, Edward Morus and Sion Lleyn; the manuscript also contains triads, genealogies, 'Breiniau Gwŷr Arfon', 'Meddygon Myddfai', 'geirlyfr William Lleyn', etc.

A composite manuscript written largely c. 1564 by William Salesbury (?1520-?1584) of Plas Isa, Llanrwst, translator of the New Testament, containing 'cywyddau', 'englynion', and a few 'awdlau' by Jhon Kent, Gryff. Dwnn ap Oweyn Dwnn, Guto or Glyn, Tuder Alet, Hugh Arwystl, Dafydd Nantmor, Hugh Lleyn, Dauyd ap Gwilym, Wylyam Egwad, Roland Vychan, Rychard Ierwerth ('o Abertawey'), Gruffydd ap Ieuan (Ivan) ap Ll'yn, Will. Salesbur[y], Morgan ap Res, D'd Epyn[t], Thomas Vychan, and William Phylip, and anonymous and imperfect poems; 'Trioedd Cerdd' ('Tri bai cyffredin Cerdd davod', etc.); 'Trioedd Ynys Brytain'; miscellaneous triads; 'Pemp Brenhinlluyth [Cembery]'; 'Pemptheclluyth Gwynedd'; a deaf and dumb alphabet; and 'Dyledawl goffaduriaeth am enwae yr oll veirdd a mydrwyr eill [sic] or hen Vrytanieid a llawer o ein cyfoes'.

An interlude based on the story of King Lear. Following the text are stanzas ('tribannau'), of which four are by John Hughes.

A late eighteenth and early nineteenth century manuscript of Thomas Davies containing medical recipes and prescriptions, notes on the treatment of diseases and on the virtues of herbs, and a few miscellaneous notes and extracts. The contents have been taken for the most part from printed sources but a few isolated prescriptions are ascribed to Jno. Morgans, surgeon, of St Davids, 1808 (p. 346) and Mr [Thomas] Jones, Neuaddfawr [Lampeter, Cardiganshire] (pp. 349, 357). Among some extraneous matter in the volume are 'Trioedd Offeiriaid' in 'triban' metre by Edward Williams ('Iolo Morganwg') (pp. 351-4) and a transcript of a Carmarthen Bank note, 1802. There is an incomplete index at the end of the volume.

A manuscript containing 'Historia Judas', 'Trioedd Taliesin' and a fragment of 'Purdan Padric'.

A manuscript in the hand of Moses Williams containing Triads and Gorwynnion from the Red Book of Hergest, Englynion y Clywaid from Jesus College MS 3, and XIII Tlws.

A manuscript in the hands of the Reverend Samuel Williams, Moses Williams, Iaco ab Dewi and others, containing one hundred and sixty-eight numbered items, mainly poetry, including about two hundred and thirty-five triads (item 13). The poets cited include Taliesin, Bleddyn Fardd, Iolo Goch, Dafydd ap Gwilym, Siôn Cent and Siôn Phylip. Item 165 contains a genealogy of Welsh saints. Item 166 is a copy of cols 1165-1169 of the Red Book of Hergest. Item 167, which contains englynion, is in the hand of Edward Lhuyd, and was 'sent through the post to W. Baxter in Totnham Highcross near London'. Item 168 is a piece entitled 'A true Character ... of the Gentry within the Counties of Carmarthen, Pembroke and Cardigan during the Commonwealth'.

A manuscript written c. 1556 (see p. 184) containing triads (pp. 1-6); theological tracts (pp. 7-8, 26-42, 142-146, 152, 154, 167); a calendar (pp. 43-64); poetry (pp. 9-25, 65-141, 147, 149); etc. The poets cited include Taliesin, Iolo Goch, Siôn Cent and Dafydd Gorlech.

A manuscript written c. 1634 (see p. 165) containing pedigrees (pp. 164-166, 189-215, 217-243); Bonedd y Saint (pp. 87, 216); 'Dosbarth Arveu' (pp. 167-188); proverbs (pp. 160-162); triads (pp. 259-260); 'Cantrevyd a chymydeu Cymru' (pp. 244-245); medical recipes (pp. 249-258); &c.
The manuscript is in the same hand as Llanstephan MSS 122-125 and may be that of John Pryce, rector of Mellteyrn (see p. 103).

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 note-book (pp. 1-80) and miscellaneous papers (pp. 81-268) containing notes, lists, extracts, transcripts, etc., in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. Page 1 is inscribed 'Cynnulliadau Tuag att Hanes Eisteddfodau Caerfyrddin, Caerwys, ag eraill Casgledig (gan mwyaf) yng Ngwynedd gan Iolo Morganwg', and this first section contains: a version of the 'statute' of Gruffudd ap Cynan as allegedly confirmed at an 'eisteddfod' held at Caerwys, co. Flint, in 1523, with a list of the names of the bards and musicians licensed at the said 'eisteddfod', transcribed 'O Lyfr Ygrif (sic) P. Panton, Yswain, o'r Plas Gwynn ym Môn' or, as stated elsewhere, 'Ex No. 65, Plas Gwynn, Môn' [i.e. Panton MS 65, now NLW MS 2031, of which see pp. 200-12] (see also NLW MS 13096B above) (pp. 17-27); a list of the twenty-four Welsh strict poetic metres with illustrative examples [?transcribed from the aforementioned Panton MS 65, pp. 186-93] (see also NLW MS 13096B) (pp. 27-35); notes relating to, and lists of, Welsh musical measures [?transcribed from Panton MS 65, pp. 194-200] (see also NLW MS 13096B) (pp. 36-39); an incomplete transcript [?from Panton MS 65, pp. 182-4] of notes relating to the twenty-four traditional Welsh accomplishments (p. 40); anecdotes relating to the poet Dafydd ap Edmunt and the 'eisteddfod' held at Carmarthen [c. 1450] under the patronage of Gruffudd ap Nicolas, transcribed 'Ex Vol. 17, P.P.' [i.e. Panton MS 17, now NLW MS 1986A, of which manuscript see ff. 111-17] (see also NLW MS 13096B) (pp. 41-47); further miscellaneous extracts from Panton MS 17 including an anecdote relating to the poet Huw Arwystli, notes relating to the 'cantrefi' of Glamorgan, etc. (pp. 47-49); transcripts of 'englynion' by, or attributed to, D[afydd] ab Gwilym, John Mowddwy, ?Thos. Lln., and Siôn Tudur (pp. 49-50); transcripts of twenty-three 'englynion' commemorating the year of accession of every English monarch, 1066-1558, attributed to Berud ap yr Ynad Coch, Bleddyn Ddu, Cynddelw Brydydd Mawr, Lln. Fardd, Dafydd y Coet, Harri Haram Param, Cyssymdaith Llevot Wynt epolawl, Mabwaith Hengrys o Iâl, Llywelyn ap Ho wrneth, Gwilym Ddu o Arfon, Dafydd Bach ap Madoc Gwladaidd, Llygad Gwr, Daniel Llosgwrn Marw (sic), Dafydd Eppynt, Ieuan Brydydd Hir, Bleuddyn ap Ieuan Hen, Hywel Ystorun, Ierwerth Fynglwyd, Rhys Nanmor, Hywel ab Bleuddyn Mathew, Owain y Bardd 'o Wynedd', and Huw Arwystli (pp. 51-56); a list of the commissioners in whose presence the 'eisteddfod' was held at Caerwys in 1567, and of the poets and musicians who were granted licences at the said 'eisteddfod' (pp. 56-59); a list of bards present at, and notes relating to, an 'eisteddfod' held at Bala [co. Merioneth] in 1740 (p. 60); an extract relating to the code of rules for Welsh bards and musicians allegedly compiled in the time of Gruffudd ap Cynan (p. 61); and transcripts of two sequences of 'englynion' (six and five respectively) allegedly written by Siôn Prichard Prys at an 'eisteddfod' held at Bala in 1680 with the object of enlisting the aid of the bishop of Bangor and Sir Roger Mostyn in an attempt to obtain a [royal] patent for holding an 'eisteddfod' (pp. 62-64). The greater part of the contents of the remainder of the volume consists of transcripts of Welsh poems in strict and free metres, including poems by, or attributed to, [Edward Williams] 'Iolo Morganwg' himself, Ieuan Tir Iarll 'sef John Bradford o'r Bettws ym Morganwg', Daf. Nicolas, William Hopkin, Daf. o'r Nant, Llywelyn ab Ifan, Siôn Hywel, Thomas Evan, 'Telynor o'r Drenewydd Nottais ym Morganwg', Morgan Pywel, Gwilym Tew (or Owain ap Rhydderch, or Ieuan ab Rhydderch), Twm ab Ifan ab Rhys, Gronwy William, Hywel Llwyd 'o Lancarfan', Wil. Tabwr, Dafydd Nicolas 'o Aberpergwm', Lewys William 'o Ferthyr Tydfyl', Thomas Williams, William Llywelyn, and Wm. Sanders 'o Landocheu'. The free-metre verse includes the words of songs written to specified airs. Other items in the volume include observations ?by Edward Williams after reading certain criticisms of John Hughes: An Essay on the Ancient and Present State of the Welsh Language [London, 1823] (pp. 113-114); notes on Welsh bardism (pp. 161-165); notes headed 'Etymologies that point out the origin and progress of civilization' (p. 167); extracts from Hugh Thomas: An Introduction to the British History [?London, ?1730] (pp. 169-171); a few Welsh triads and proverbs (pp. 227-228); a list of Welsh proverbs heard in Glamorganshire by [Edward Williams] 'Iolo Morganwg' arranged in alphabetical order according to the initial letter (incomplete, A-G only) (pp. 231-240); advisory or proverbial sayings attributed to Taliesin, Cattwn ddoeth, and Meugant (pp. 243-2444); a list of the ten commandments of St. Paul described as '. . . dengair deddf Pawl Sant y rhai a gafas efe o ben Iesu Grist . . .' (see John Williams: Barddas . . ., Vol. I, pp. 288-9) (p. 247); a list of Latin words commencing with the letter v with English meanings and Welsh ?derivatives (pp. 253-254); and (interspersed amongst other items), miscellaneous Welsh proverbs (pp. 241-end). In three instances the blank verso and margins of copies of a printed handbill (English) containing proposals, 1793, for publishing The Celtic Remains (vol. I by Lewis Morris, vol. II by Walter Davies) and of a printed handbill (Welsh) announcing an 'eisteddfod' to be held at Caerwys in 1798 under the patronage of the Gwyneddigion Society have been used for writing notes. A few loose leaves (pp. 261-268) have been placed in an archival envelope.

A volume containing transcripts by Edward Williams ('Iolo Morganwg') of miscellaneous series of Welsh triads. P. ix is inscribed, presumably as a 'titlepage' for the volume, 'Llymma Lyfr Trioedd Beirdd Ynys Prydain A gasglwyd o amrafaelion o Hen Lyfrau Ysgrifen gan Iolo Morganwg, B.B.D., 1796'. Pp. 1-90 contain transcripts of five series of triads called 'Trioedd Doethineb' and of further series with the superscriptions 'Llyma Drioedd Llelo Llawdrwm o'r Coetty', 'Trioedd y Gwragedd', 'Llyma Drioedd y Gwragedd Priod . . . ', 'Llymma Drioedd y Cybydd', 'Trioedd Mab y Crinwas', 'Llymma Drioedd y Meddwyn', 'Llyma Drioedd y Cymro', and 'Trioedd y Sais'. All these were reputedly transcribed from a [manuscript] volume or collection of triads compiled from specified sources by [the seventeenth century Glamorgan scribe] Thomas ab Ifan of Tre Brynn (see the note on p. 90 and the transcripts on p. x and p. xii of the ? inscription on the title-page of, and the preface to, this volume reputedly compiled by the said Thomas ab Ifan). Pp. 90-93 contain an anecdote relating to triads in prose and verse ('ar fesur Triban') written by Gwilym Hir, a carpenter ? employed by Hopgin Thomas Philib of Y Gelli Fid, parish of Glynn Ogwr [co. Glamorgan]. Pp. 93-2115 contain transcripts of further series of triads from specified manuscript sources with the following superscriptions 'Trioedd Gwiw eu gwybod au cofiaw er addysg Doethineb ...', 'Trioedd y Doethion ...', 'Llymma Drioedd y Brodyr', 'Llymma Eraill o Drioedd y Brodyr', 'Llymma Drioedd yr Arglwydd Wiliam Herbert, Iarll Rhaglan', 'Trioedd y Lladron', 'Trioedd y Gwragedd', 'Trioedd Addwynder', 'Llymma Drioedd Dyfnwal Moelmud a elwir Trioedd y Cludau a Thrioedd y Cargludau', 'Llymma eraill o Drioedd Dyfnwal Moelmud a elwir Trioedd Gwladoldeb a Chywladoldeb. . . ', and 'Llymma Drioedd Dyfnwal Moelmud etto a elwir Trioedd Bonedd a Braint. . . ' (incomplete, one only). The series listed thus far, with the exception of 'Trioedd y Lladron' and the incomplete last-named 'Trioedd Bonedd a Braint', have been published, with certain textual and orthographical changes, etc., in The Myvyrian Archaiology of Wales . . ., vol. III (London, 1807), pp. 1199- 3118. The remainder of the present volume contains, pp. 229-64, transcripts of three series of triads with the superscriptions 'Llymma Drioedd Cerdd Dafod Beirdd Ynys Prydain . . . ', 'Llyma Drioedd Cerdd Eraill. . . ', and 'Llyma Drioedd Dosparth y Ford Gronn', and of series of miscellaneous other triads.

A composite volume containing miscellaneous lists, notes, jottings, etc., of a very varied nature in the hand of Edward Williams ('Iolo Morganwg'). Included are pp. 1-22, miscellaneous extracts allegedly from a manuscript in the hand of Siôn Bradford (extracts - single words or lines, couplets, stanzas, etc. - from the works of Welsh bards, occasional annotations by Siôn Bradford, an anecdote relating to a bard named Ieuan ap y Diwlith, notes relating to fifteen strict poetic metres in a system described by Antoni Pywel, 'englynion' attributed to Siôn Bradford himself ); 38, a brief note on the colour of bardic robes; 39, lists of 'graddau cenhedlaeth hyd y nawfed ach'; 41-4, notes relating to the introduction of 'a new musical system or theory into Wales' possibly from Ireland in the time of Gruffudd ap Cynan including a comment to the effect that no musical instrument was mentioned by Welsh bards circa 1080-1280; 45-6, 181- 4, 247-51, notes on the word 'Cimmeri' and its variants as a national appelative and the formation of the language of the said people; 51-2, brief notes on steel making; 53-4, notes ? relating to the Glamorgan system of Welsh metrics; 55-6, a list of bards headed 'Llyma enwau Beirdd Cadeirogion Tir Iarll amser yr ymryson a fu ryngddynt am farwnad Ieuan a Hywel Swrdwal', and a note relating to 'Cadair Tir Iarll'; 59, a note relating to Gruff. ap Cynan's flight to, and return from, Ireland; 60, triads relating to 'cerdd deuluaidd' or 'cerdd arwest'; 61-3, notes on an 'eisteddfod' organised by Gruff. ab Nicolas at Carmarthen [circa 1450], the part played by D[afydd] ab Edmwnd, the reluctance of the bards of Morgannwg to accept the rules, etc., devised by Dafydd ab Edmwnd, the research undertaken by the said bards into the bardic system, rules, etc.; 66-9, statistics relating to the population of Wales (N.D.) with comments on the English element in Pembrokeshire and Gower, co. Glamorgan, and the English influence on the Welsh border; 70-71, a note on the 'Scaldic School' of poets in Wales; 81 + 93, notes on the words 'Llysdanc' i.e. ' juridical peace', and 'cyfallwy'; 97, a note on Rhobert, iarll Caerloyw (earl of Gloucester), his acquisition of Tir Iarll, and his organising of the bardic order, with mention of the poets Rhys Goch ap Rhiccert (temp. Robert), Ieuan fawr ap y Diwlith, and Trahaearn Brydydd mawr; 101-03, notes on Davydd ap Gwilym more particularly chronological; 105-07, notes relating to an 'eisteddfod' held at Glynn Achlach in Ireland [temp. Gruffudd ap Cynan], an opinion on the alleged connection between the said Gruffudd, Bleddyn ap Cynfyn, Rhys ap Tewdwr, and Gruffudd ap Rhys successively and the formulating of regulations for the Welsh bardic order, and a comment on the probability of Bleddyn ap Cynfyn 'having instituted some Regulations respecting Pedigrees and Land rights' and of Gruffudd ap Cynan having 'introduced Irish or Scaldic music and rules of good order amongst Musicians into North Wales'; 111, a list of place-names containing the element Bangor; 138-9, notes relating to 'Cadeiriau ag Eisteddfodau wrth gerdd dafod' ('Cadair Tir Iarll', 'cadair ym Marchwiail', 'eisteddfodau' at Caerfyrddin and Caerwys, 13th-16th cent.); 140, a note on the poet Gwilym Tew; 141-8, notes on 'eisteddfodau' held at Caerfyrddin in 1451 and N.D., and decisions taken relating to the bardic order and 'cerdd dafawd'; 149-51, genealogical data relating to Iestin ab Gwrgan, lord of Morgannwg; 152 + 157, a brief chronicle of historical and pseudo- historical events in Britain, 1300 B.C. - 230 A.D.; 156, an anecdote relating to Gwaithfoed, lord of Cibion and Ceredigion, and the Saxon king Edgar; 158-9, notes relating to Welsh strict metres referring to 'Cwlm Cadair Caerfyrddin' based upon metrical systems arranged by Gwilym Tew, Dafydd ap Edmwnd, and Llawdden; 165, transcripts of five 'englynion' attributed to Dafydd Benwyn; 167, notes on Owain ap Cadwgan and his son Einion, temp. Henry I; 171-2, notes on Thomas Jones of Tregaron ('Twm Siôn Catti'); 178-9, an anecdote relating to the bard Siôn Cent; 185, notes headed 'Origin of letters in Britain'; 187, a note relating to derivative and compound words in Welsh; 188, a list of fourteen ? rules under the heading 'Theophilanthropists of Wales or Berean Society'; 189, a note on an 'eisteddfod' held by Rys ap Tewdwr at Castell Nedd in 1080; 213, a short list of Glam[organ] proverbs and idioms; 230, a note on 'Hopcin ap Thomas ap Einion Hen a elwir Einion Offeiriad' and the said 'Einion Hen'; 233-41, extracts from [Joseph Robertson:] An Essay on Punctuation (1785); 243-6, transcripts of seven stanzas of English religious verse, an English prayer, and the music of two psalm tunes; 253, an extract from a 'cywydd' attributed to R[hys] G[och] Eryri, and a list of words headed 'Geiriau Gofram yr Alban Eilir, 1815'; 254-61, lists of words and other extracts from Henry Perri [: Eglvryn Phraethineb sebh dosparth ar] Retoreg [ Lhundain, 1595], and other poetic extracts; 262-3, a copy of a 'Sonnet on the prospect of Vaucluse from Petrarch' and an epitaph on an infant by Edwd. Williams, and a list of 'Places to enquire where they are'; 269-74, miscellaneous poetic extracts to illustrate specific words such as 'barddas', 'gwyddfa', etc., and lists headed 'Pumwydd Celfyddyd' and 'Naw Cynneddf Doethineb'; 275, a brief note on the practice of planting trees at crossroads in Glamorganshire; 277-9, a description of the method of swearing the bardic oath; 281-2, a list of the names by which God is known in Welsh with English definitions; 284-5, brief notes relating to the poet Llywelyn Llogell Rhison and his two brothers of Marchwiail [co. Denbigh], and the poet Mab Claf ab Llywarch, with a reference to the attribution of 'Englynion Eiry Mynydd' to the said Llywelyn and Mab Claf; 286, notes on the written version of the tale 'Hanes Taliesin'; 291-2, a list of 'Prif gyfoethau Gwlad Gymru', (continued)

298-300, an extract from the Saxon Chronicle with an English translation; 302, a comment on adverse opinions concerning the antiquity of 'Glam[organ] bardism and its concommitant literature'; 303, notes relating to the bardic 'chair of Glamorgan in Tir Iarll', 'Cadair Taliesin', and 'Cadair Urien'; 304-06, notes headed 'Llyma ddosparth yr awgrym' with lists of numerals headed 'Llyma lafariaith awgrym herwydd a'i dangosir dan a[r]wyddon rhif sathredig y cenedloedd . . .' (see J. Williams ab Ithel: Barddas . . ., vol. I, pp. 98-103); 309, a copy of the civil marriage vow of the time of Oliver Cromwell in Welsh; 311-12, a note on Gruffudd ap Cynan's institution of ? triennial 'eisteddfodau' at Aberffraw and of rules for the bardic fraternity; 316, a biographical note on the Bradford family of Tir Iarll or Bettws [co. Glamorgan]; 319, a note on 'cynghanedd' prior to the time of Gruffudd ap Cynan; 324, a transcript of an 'englyn' attributed to Lewys Mon; 325-6, three triads headed 'Bardic Theology'; 329-30, eight triads headed 'Trioedd amrafaelion'; 335-6, a transcript of six stanzas of Welsh verse attributed to Rhobert, tywysog Norddmandi; 340, notes on the means adopted by Welsh bards to earn a living, circa 1500-1680; 341, six triads headed 'Trioedd Iaith ag Ymadrodd'; 344-8, notes on the development of alliteration in Welsh poetry and the 'rules of . . . the Scaldic School of Welsh versification'; 357-8, a few bardic triads; 374-5, notes relating to various bardic 'chairs'; 379, questions and answers relating to 'Pair Ogrwen', 'Cariadwen', and 'Pair Dadeni'; 387, a short list of four triads; 390-91, notes relating to 'chware hud a Iledrith' of Math ap Mathonwy; 397-9, 402-03, lists of proverbial or idiomatic expressions in Welsh; 407-11, a list of thirty triads headed 'Llyma'r Trioedd a ddatcanodd Iolo Morganwg yng Ngorsedd Beirdd Ynys Prydain ar Frynn Dinorweg yn Arfon, Alban Elfed 1799'; 411-20, notes relating to ? bardic ceremonial and the duties of bards, and seven triads headed 'Llyma Drioedd cynghlo Cadair a Gorsedd'; 421-2, a list of Welsh phrases with English equivalents headed 'Address of letters - salutations in Glamorgan'; 442-3, a list of rules headed 'Rules to know when two languages have had the same word from remote antiquity which may claim it as originally its own'; 445-6, brief notes relating to the early bishops of Bangor, and Ylldud farchog and Eilifri, his mother; 447, transcripts of two 'englynion' attributed to Huw Cornwy and Huw Llwyd Cynfel; 447-8, notes on a ruin called Myrddin Taliesin on the banks of Llynn Geirionydd [co. Caernarvon]; 449, notes headed 'Pedwar Cerddawr Graddawl'; 450-51, an anecdote relating how [Edward Williams] 'Iolo Morganwg' nearly lost his life through sleeping near a lime kiln at Llanelltyd [co. Merioneth] in June 1799; 452-7, transcripts of 'englynion' attributed to Siôn Philip, Edmund Prys, Huw Ednyfed, Lewis Môn, Tudur Aled, Owain Ifan, Iorwerth Fynglwyd, Rhys Tyganwy, Huw Llwyd Cynfel, and Gruffudd Philip, and other poetic extracts; 472 + 475, transcripts of 'englynion' attributed to Richard Philip and Gruff. Hiraethog; 479, notes headed 'Edward Williams's idea of Public worship or Religious instruction rather'; 481-5, notes referring to Welsh literature in the late medieval period after the Edwardian conquest and, in connection therewith, the development of alliteration, the production of triplet verse and prose triads, the triads and verses of Llewelyn Llogell Rhison of Marchwiail, and the works of Hopcin Thomas ap Einion in South Wales, references to the existence of 'triades, triplet verses, etc., of very great antiquity', and to Druidic, Scaldic, Norman, Roman, and Saxon influences ? on literature, and a note on the lasting effects of the Edwardian conquest on political and religious attitudes in North Wales; 506, lists of 'flowering shrubs', 'native flowers rare', and 'evergreens' in Glamorgan; etc. Interspersed amongst the above items throughout the volume are lists or groups of Welsh words, notes on Welsh words, etymological notes, genealogical data, miscellaneous extracts from a variety of printed sources, and other miscellaneous items.

A composite volume containing miscellaneous material in the hand of Edward Williams ('Iolo Morganwg'). The contents include pp. xiii, xv-xvi, two lists of the contents of pp. 1-160; xvi, a copy of an 'englyn' by [Edward Williams] 'Iolo Morganwg'; 1-5, a version of the rules for regulating the Welsh bardic order ('Ystatun . . . ar wyr wrth Gerdd') attributed to Gruffudd ap Cynan and Bleddyn ap Cynfyn; 5-9, comments by [Edward Williams] 'Iolo Morganwg' on the attribution of the formulation of such rules to Gruffudd ap Cynan and others; 110-114, a copy of a proclamation announcing that an 'eisteddfod' was to be held at Caerwys, co. Flint, 26 May 1567, and a list of the bards and musicians licensed at the said 'eisteddfod'; 115-116, descriptions of 'finger-signs' used to represent letters of the alphabet ('Egwyddor Awgrym Llaw'); 117-27, extracts, including examples of Welsh strict metres, from Welsh bardic grammars described in the first aforementioned list of contents as 'Pigion o Hen Lyfr Dosparth Cerdd dafawd' and 'Amrafaelion [d]darlleniadau yn Nosparth Edeyrn Dafawd Aur ag un Dafydd Ddu o Hiraddug' and in the second as 'Amrafaelion o Hen Ddosparth Cerdd' and 'Darlleniadau amrafaelion Dosparth Dafydd Ddu Hiraddug neu Dafydd Ddu Athraw'; 28, transcripts of three 'englynion' attributed to Rhys amheyrig 'o'r Cottrel'; 28-32, transcripts of two letters reputedly exchanged between the sixteenth century Welsh poets Siôn Mowddwy and Meyryg Dafydd (see also NLW MS 13121B above, pp. 501-05); 32, a brief note on 'eisteddfodau' held at Caerfyrddin in 1451 and 38 Henry VI; 33-118, an incomplete version of a Welsh bardic grammar consisting of part III (pp. 33-55 under an initial superscription reading 'Llyma Ddosparth Cerdd Dafawd a wnaeth Simwnt Fychan Bencerdd Fr Meistr Pirs Mostyn o Dalacre. Hwnn yw Trydydd Lyfr Cerddwriaeth Cerdd dafawd') dealing with the structure of the strict metres, part IV (pp. 55-76) dealing with 'cymmeriadau' and 'cynghaneddau' ('yn nesaf ysbysswnn o'r pedwarydd Llyfr Cerddwriaeth Cerdd dafawd nid amgen noc o'r Cymmeriadau a' r Cynghaneddau . . .'), and part V (pp. 76-119) dealing with faults in metre and 'cynghanedd' and the objects to be praised in verse, and containing at the end a series of eighty-two bardic triads ('Trioedd Cerdd y rhai y mae Beirdd Ynys Prydain yn ymarfer o'i cofiaw a'i ystyried'); 119- 22, a copy of the proclamation announcing the holding of an 'eisteddfod' at Caerwys, co. Flint, 26 May 1568, and the licensing of Simwnt Fychan as 'pencerdd'; 122-3, a note on the adoption of family surnames by the Welsh in accordance with a decree of the aforementioned 'eisteddfod' and on the mode of registering the said names; 124-37, a version of the code of rules for Welsh bards and musicians attributed to Gruffydd ap Cynan as reputedly confirmed by Bleddyn ap Cynfyn and others and at the aforementioned 'eisteddfod' at Caerwys; 138-40, a note relating to Dafydd ab Edmwnt and the 'cadwyn fyrr' strict poetic metre with an example of the said metre; 141, transcripts of 'englynion' attributed to Hywel ap Syr Mathew, Simwnt Fychan, and Howel Bangor; 142-51, a further version of the bardic rules attributed to Gruffudd ap Cynan 'fal ai conffirmiwyd yn Eisteddfod Caerwys . . . 1567'; 152, a note by [Edward Williams] 'Iolo Morganwg' on the aforementioned code of rules; 153-7, transcripts of 'Cywydd y Delyn Ledr' attributed to Dafydd ap Gwilym, two stanzas attributed to Llywarch Hen, and four unattributed 'englynion'; 158-60, a series of Welsh proverbs extracted allegedly 'o Lyfr Harry Siôn o Bont y Pwl'; 197-231 (previously paginated 1-35), notes dealing largely with the phonology of the Welsh language; 268, ? a proposed scheme or list of chapter headings for an 'Analytical Dissertation on the Welsh Language'; 273-392, mainly lists of Welsh words grouped according to their terminations; 376-8, stanzas of psalm tunes; and 409-12, notes on Welsh phonology.

A 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 composite volume containing miscellaneous notes, jottings, etc., of an extremely varied nature in the hand of Edward Williams ('Iolo Morganwg'). Included, pagination in brackets, are small groups or short lists of Welsh words sometimes with English definitions and sometimes with illustrative extracts from the works of Welsh poets, grammatical notes, etc. (41-2, 51, 55, 63-4, 72, 85-6, 89-93 99, 163-6, 168, 171-3, 178); transcripts of 'englynion' attributed to Iorwerth ab Sierlyn 'uwch benn Bedd Siôn Ceiriog . . . 1792' (54) and Huw Llwyd Cynfel (187); extracts consisting of single stanzas, couplets, or even single lines from the works of the Welsh poets D[afydd] ab G[wily]m, W[ilia]m Cynwal, Gruff. ab . . . ab Tudur, Lewys Morys, Edm[wn]d Prys, and [Edward Williams] 'Iolo Morganwg' (38-41), Gwalchmai (48), Wm. Midd[leto]n (49), Thos. Prys of P[las] Iolyn (50), Howel ab Owain Gwynedd (52-3), Iolo Goch or Gruff. Llwyd ab Daf ab Einion (63), Llen. Moel y Pantri, Tudur Aled, and Guttun Owain (to illustrate specific words) (85-6), ? Thos. Redwood (93), and Teilo Sant (95); transcripts of English verse including anonymous stanzas (41), four stanzas with the superscription 'Question in Arithmetic from the Welsh' ( 87), an epitaph by [Edward Williams] 'Iolo Morganwg' (95), and a stanza again by 'Iolo Morganwg' (187); miscellaneous items including a list of six principles headed 'requisites of Language by Ed. Wms.' (17), notes relating to bardic ceremonial (20), two bardic triads (38), notes relating to the division of a community into four classes, viz. grand jurors, jurors, private citizens, and subjects, and their roles in government (45- 6), notes relating to mottoes and titles of bardic 'gorseddau' (56-9), a note on metempsychosis (60), a list of twenty books and authors with a note written sideways in the margin 'Books and Authorities for the History of the Bards' (73), brief notes referring to old inscriptions [in Britain], the features called Caer y Vynwent and Maen y chwyfan in co. Flint, the administration of the Isle of Man, and the Picts (77-80), a brief note relating to medieval North Wales prose (86), notes headed 'August 30th 1808' containing brief topographical, agricultural, etc. memoranda referring to places called Bryn y Menyn [on] Coettre Hen Estate, Cefn Hirgoed, and Hirwaen [? co. Glamorgan] (90), a brief note relating to 'chware cnau mewn Ilaw Morganwg' (93), lists of subject or chapter headings for a ? four - volume work to be divided into 'Volume of Welsh Tracts Translated', 'Historical Volume', 'Vol. III. Barddoniaeth amrafaelion oesoedd a Thestunau', and 'Volume IV' (no headings but to contain sections on, or relating to, 'Meddygon Myddfai', 'Cato Gymraeg', 'Trin Perllanau', 'Hen arddoriaeth', etc.) (94), a brief note on influences on North Walian and South Walian poetry (95), a note on the number of letters in the ? Welsh alphabet at various times (96), a Welsh bardic triad (96), a short list of Welsh proverbs (97), a note referring to the state of the Welsh language and the language of the Normans at the time of the Norman settlement in Wales, the adoption of Welsh by Norman authors such as, allegedly, Robert, earl of Glo[uceste]r, Walter de Mapes, Robert, duke of Normandy, etc. (98), a list of various taxes or fees, e.g. churchwardens' rate, fees for notices to quit, charges for parish register certificates, etc. (100), brief notes relating to the functions of the 'Penrhaith, the most ancient Title of sovereignty in Britain, i.e. Chief or Foreman of the Rhaith or Senatorial Assembly', the lesser officials called 'pencenedl', the assembly called 'Rhaith Gwlad', etc., references to the allegedly false views of the seventeenth century antiquary Robert Vaughan of Hengwrt on these matters in his book British Antiquities Revived, and more general remarks on 'monokingism' and what is termed 'natural Government, not hereditary, not elective' (101-07), a brief note relating to 'corfannau' ( 110), notes referring to scripts of ancient inscriptions headed 'Saxon Characters' (111-112), a note relating to 'Englynion byrron' and 'Englynion hirion' in Glamorgan and the defining of certain types of 'odlau' by . . . Swrdwal (113), a note relating to the word 'rhath' and to the village and church of Rhath near Cardiff (120), statistics relating to the religions of the world 'From Malte Brun's System of Universal Geography, Paris, 1816' (125), a list of various bardic 'cylymau' headed 'Cwlm Eisteddfod, cwlm gorsedd' (166), a note headed 'Sapiential and Satyrical Triades' (167), a list of ten subject or chapter headings under the general superscription 'Collections for a History of the Ancient British Bards and Druids' (169-70), three lists of Welsh historico-literary material and / or authors under the headings (1) 'Oldest Documents', (2) 'Northwalian Grammars', and (3) 'Southwalian recent' (170), a note containing generalisations concerning the Welsh language (179-80), and other miscellanea; extracts from a variety of printed sources including [Henry Home] Lord Kaimes: Elements of Criticism, [John] Lempriere: A Classical Dictionary, [Paul Henri] Mallet: Northern Antiquities, Monthly Review, Month[ly] Mag[axine], The Edinburgh Review, The Critical Review, Courier, and Thomas Langley: [An Abridgement of the Notable Worke of] Polidore Vergile; etc.

A composite volume containing miscellaneous prose and verse items in the hand of Edward Williams ('Iolo Morganwg'). Page i is inscribed 'Brith y Coed Sef Cynnulliad Cymmysg o Hen Bethau Cymreig, Rhyddiaith a Phrydyddiaeth. Cynnulliad Iolo Morganwg. Rhifyn IV', and pp. iii-vii contain a list of ninety-four items being the contents of pp. 1- 144. These include, pagination in brackets, transcripts of Welsh poems (sometimes single stanzas) or extracts from Welsh poems attributed to Gwydion ap Don (from the Mabinogi) (1), Lln. Moel y Pantri (2), Lln. ab Hywel ab Ieuan ab Gronw (5, 101-04, with a note on the bard 104-05), Dafydd Gorlech (5), Gruff. ap Gronw Gethin (6), Rhys Llwyd Brydydd (6, 73), Ieuan Gethin ab Ieuan ab Lleison (17, 74, 122), Thomas Llywelyn 'o Regoes' (17), Siôn Tomas Hywel 'o Lanbedr ar Fro' (29), Thomas Wiliam Hywel (29), Thomas Lewys 'o Lechau' (29-30), Harri Meirig (35), Taliesin Ben Beirdd ( 49-55, 78-9), Dafydd ap Gwilym (72, 130), Iorwerth Fynglwyd (73-4), ? Rhys Nanmor (73), Ieuan Du'r Bilwg (74), Twm ab Ifan ab Rhys (75-7), Gruffydd Llwyd Dafydd ap Einon Lygliw (97-100, with a note relating thereto), Siôn Rhydderch (106-07), Dafydd Hopcin 'o'r Coetty' (108), Rhisiart Thomas (109 ), Teilo Sant (114-15), Casnodyn Fardd 'o Gil Fai' (116), Dafydd Lewys 'o Ferthyr' (120), Lleison Cradoc 'o Dregolwyn' (121), Rhys Brydydd (121), Owain Gwynedd (121), Dafydd Benwyn (122), Wm. Cynwal (122), Huw Machno (130), Edwd. Richards (130), Hywel Rhys (130), Hopcin ap Thomas 'o Lynn Tawy' (132), Llywelyn Goch ab Meurig Hen (132), Siôn Tudur (136-41), Siôn Mowddwy (141), Llawdden Fardd (143), Tudur Wiliam (144), John Daf. ap Jenkin (144), and Llywarch Hen (144); transcripts of unattributed Welsh verse including a series of fourteen 'Englynion yr Adar' with notes by [Edward Williams] 'Iolo Morganwg' relating thereto (37-9), a series of eighty-four 'Englynion Arthur a'r Eryr a hwnnw oedd Eliwlod Nai Arthur ag Arglwydd Llancarfan' with notes relating thereto by [Edward Williams] 'Iolo Morganwg' (79-95), and an 'englyn' (131); notes on 'Adar Rhiannon' and 'Blynyddau'r haul a'r Lleuad' (2); genealogical data relating to the descent of King Arthur including an anecdote relating to Brân fab Llyr (3- 4); genealogical data relating to 'Taliesin Ben Beirdd' and 'Morganiaid Tredeger' (7-8); a copy of the inscription on the gravestone of William Hopkin [the reputed poet], ob. 1741, and of an 'englyn' thereon attributed to his mother, and a brief note on his family (9; see TLLM, tt. 251-9); notes, mainly genealogical, relating to Rhys Brydydd of Llanharan [co. Glamorgan] and his family (10); a brief genealogy of William Bleddyn, bishop of Llandaff [1575-1590] (11); notes relating to Cuneddaf Wledig and his sons (11-14); notes on Saint Brychan and Morgan ap Einydd from whom allegedly Brycheiniawg and Morgannwg derived their names (15-17); a copy of a version of the statute reputedly drawn up by Gruffudd ap Cynan for regulating the order of bards and musicians with brief notes on the said statute by [Edward Williams] 'Iolo Morganwg' (18-28); miscellaneous genealogical data (30-36, 48, 113); horticultural and agricultural instructions extracted 'o Hen Lyfr Esaia Pywel o Lansainffraid ar ogwr' being a work allegedly compiled in 1591 by Rhisiart Siôn Huw 'o'r Coetty' ( 40-48) ; notes on the Welsh bardic order as it was previous to the time of Gruffydd ap Cynan ('Llyma Drefn ar wyr wrth Gerdd Dafawd a elwir Hen Drefn Deheubarth ag a fu yng Ngwynedd cyn nog amser Gruffydd ap Cynan') (56-60); a list of fifty Welsh triads headed 'Llyma Drioedd Cerdd' (60-68); a list of Welsh proverbs allegedly extracted from a larger collection 'Yn Llyfr Thomas Bona' (69-72); a transcript of a letter in Welsh from Llywelyn Siôn from Llangewydd to Meuryg Dafydd of Llan Nisian [both of co. Glamorgan and fl. late 16th cent.] (the books relating to the bardic craft 'Llyfrau cerdd dafawd . . . sef pump llyfr Cerddwriaeth' which he, Llywelyn Siôn, had been copying were ready for collection, recipient should receive one pound for them, he had heard that the person who wished to have the volumes intended publishing a work on the subject in Welsh and Latin, knowledge of the Welsh bardic craft would disappear except for the composing of 'cwndidau') (96; for the opinion that it is a forgery to be attributed to Edward Williams himself see TLLM, t. 93, n. 45, and t.158, n. 56); (continued)

Notes relating to 'eisteddfodau' held at Ystrad Owain, Glamorgan, with particular reference to an 'eisteddfod' held there in 1720, and transcripts of 'englynion' composed in connection therewith (105-12; see TLLM, tt. 272-7); a brief note on the connection between some of the gentry and clergy of Glamorgan and Welsh poetry until ? comparatively late in the eighteenth century (112); a short list of Welsh triads, a few Welsh proverbs, lists with the superscriptions 'Wyth prif Gampau Dedwydd', 'Naw Llawenydd y Nef', 'Yr Wyth Brifwyd', 'Wyth Weithred Trugaredd', and 'Wyth Defnydd Dyn', and a list of sayings attributed to Cattwg Ddoeth (117-20); notes relating to Rhys Brydydd of Llanharan [co. Glamorgan] and his sons Rhisiart and Ieuan and tales relating to his grandson Thomas (123-9; for the Welsh text see Iolo Manuscripts, pp. 200-03, and for an English translation ibid., pp. 614-17); miscellaneous triads (131); notes on and a list of 'Breiniau Gwyr Arfon' (133-6); and Welsh medicinal recipes (142-3). Pp. 153-5 contain a list of fifty-one items being an incomplete list of the contents of pp. 157-384 Previously paginated 1-228. Included, pagination in brackets, are a copy of 'Gwassanaeth Meir' [being a middle Welsh version of the 'Officium Parvum Beatae Mariae Virginis'] transcribed by [Edward Williams] 'Iolo Morganwg' in June 1799 from a manuscript in the hand of John Jones [of Gellilyfdy, co. Flint] then in the library of Thomas Johns of Hafod Ychtryd, co. Cardigan [now Hafod MS 23 in the Cardiff Free Library] (157-211); a section headed 'Tri achos y dioddefawdd Crist archollion . . . ' and two Welsh triads (212 ); transcripts of two sequences of 'englynion' the first attributed to Mab Claf ab Llywarch or Llogell Rhison and the second to the said Mab Claf ab Llywarch, and of a poem attributed to Taliesin Ben Beirdd (213-20); transcripts of seven prayers described as 'Emynau Curig Ferthyr' (221-5); a copy of an anecdote relating to Owain Glyn Dwr and Syr Lawrens Berclos (225-6); transcripts of three sequences of 'englynion' (each stanza commencing 'Coronog Faban') attributed to Aneurin Gwawdrydd, Jonas, athraw Mynyw, and Rhys Goch o'r Ryri respectively with notes [by Edward Williams] on the three sequences (227-38; for the Welsh text see Iolo Manuscripts, pp. 265-71 and for an English translation ibid., pp. 673 et seq.); four more sequences or 'awdlau' containing 'coronog faban' stanzas, the second being attributed to Gildas Broffwyd and the fourth being copied, with revised orthography, from Thomas Pugh: Brittish and Out-landish Prophesies . . ., London, 1658 (239-56; for the Welsh text see Iolo Manuscripts, pp. 271-82); an incomplete copy of an 'awdl' attributed to Cuhelyn Fardd (257); a brief note on Gruffudd Hiraethog's opinion of Siôn Tudur, Wiliam Cynwal, Simwnt Fychan, and William Llyn (269); a note headed 'Edifeirwch Owain Cyfeiliog' (269-70); a copy of 'Prophwydoliaeth Gildas Brophwyd' (270-73); an incomplete series of triads entitled 'Trioedd Cerdd gwasgaredig' (273-4 ); transcripts of two stanzas of the 'tawddgyrch cadwynog' measure attributed to Iorwerth ab Ieuan and Lewys Hopcin 'o Hendre Ifan Goch' and of 'englynion' attributed to Lewys Morganwg (277-8); a short list of names of places and persons mainly from Welsh literature and legend extracted from a manuscript collection of Welsh poetry compiled by D[afydd] Jones, vicar of Llanfair Dyffryn Clwyd (279-81); a list of questions and answers headed 'Gofyniadau saith o wyr Doethion i'w gilydd a'u hattebion' (282-3); a transcript of an 'englyn' in Latin attributed to Grono Ywain (283); a series of thirty Welsh triads (284-9); a copy of a fable entitled 'Hanes y tri aderyn Llwch Gwin' (289-90; for the Welsh text see Iolo Manuscripts, p. 188, and for an English translation ibid., p. 600); copies of two prose items entitled 'Hanes y Pedwar Cefnderwydd Gwynedd' and 'Cynghor Taliesin i'w Fab Afaon' and a note re a Glamorgan tradition linking Wa[l]ter de Mapes with the parish of Llancarvan (290-92); (continued)

A note relating to Gruffudd Dwn of Ystrad Marchell and his relationship with William Llyn and William Salesbury, with a copy of an 'englyn' by the said Gruffudd Dwn to Salesbury (293-4); a note on the words 'ynad' and 'anynad' (295); transcripts of Welsh strict- and free-metre poems attributed to [Edward Williams] 'Iolo Morganwg', Hopcin y Gwaydd 'o Fargam', Thomas Llywelyn 'o Regoes', Hywel Rhys 'o Flaen Cannaid', Edward Richards 'o Ystrad Meuryg', Siôn y Cent, y Parchedig Roger Edwards 'offeiriad Llanaber yn Ardudwy', Evan Evans ( ), Edmund Prys, and Iorwerth Fynglwyd (296-317); notes relating to Elis Wynn [cleric and author] with a transcript of six of the 'englynion' published by him at the beginning of his [translation of Jeremy Taylor's Holy Living, i.e.] Rheol Buchedd Sanctaidd and of the six 'englynion' to the translator by Edmund Prys 'Ficar Clynog Fawr yn Arfon a mab yr hen Edmund Prys o Faen Twrog' also published at the beginning of the said volume (318-23); transcripts of strict-metre poems attributed to ? Ieuan ap Gruffudd, Siôn y Cent, Tomas Morgan 'o'r Tyle Garw', Wiliam Dafydd 'neu Wilym Tir Ogwr', Dafydd y Blawd, Y Bardd Glas o' r Gadair, Evan Evans 'sef Ieuan Gwynfardd Ceredigion', Goronwy Owain, Hopcin y Gweydd 'o Fargam', Huw Caerog, Huw Llyn, Huw Pennant, Wiliam Cynwal, Ieuan Tew Hynaf, Wiliam Byrcinshaw, Siôn Tudur, and Richard Dafies, Escob Mynyw, and of some unattributed verse, the poems in some instances being accompanied by notes relating to subject matter, circumstances of composing, etc. (323-57); a note relating to the grading or licencing of bards at the time of the 'eisteddfod' at Caerwys ? 1565 (357-8); notes relating to Elisabeth Price, cousin of Robert Fychan of Hengwrt [co. Merioneth], her work as a copyist of the works of Welsh poets from the earliest to her own times, some twenty manuscript volumes in her hand in the possession of the Reverend Mr. Dafis of Penegos near Machynllaith [co. Montgomery], the untrustworthy nature of the genealogical manuscripts of Gwynedd, the compilation of such works as Brut y Brenhinoedd, Brut y Tywysogion, and Brut y Saeson in South Wales, the preservation of the poetic compositions of the bards of the princes of Gwynedd in South Wales manuscripts such as Llyfr Coch Hergest, Llyfr Du Caerfyrddin, Llyfrau Gogerddan, and Llyfrau Castell Rhaglan, the use of 'Iaith Deheubarth' as a literary language by the poets of Gwynedd, etc. (359-61; see TLLM, tt. 173-4); an anecdote relating to the poet Gutto'r Glyn's visit to an 'eisteddfod' at Cardiff Castle with a transcript of an 'englyn' attributed to Syr Wiliam Herbert and of part of a 'cywydd' attributed to Hywel Dafydd ap Ieuan ap Rhys connected therewith (362-3); transcripts of 'englynion' attributed to Gruffudd ap Llywelyn Fychan and Ifan Brydydd hir (jointly), Lewis Môn, Tudur Aled, Rhisiart Iorwerth 'o Langynwyd', and Llywelyn Goch ap Meuryg Hen 'o Nannau', an 'englyn sathredig ym Morganwg', and a stanza attributed to Owen Brereton (363-5); brief genealogies of Taliesin Ben Beirdd (366); and brief genealogical and other data relating to the three bardic brothers Ednyfed, Madawg, and Llywelyn, sons of Gruffudd ap Iorwerth of Marchwiail [co. Denbigh] with reference to an 'eisteddfod' held at Marchwiail in the lifetime of the said three brothers (367-8). P. 385 is inscribed 'Brith y Coed, Rhann VI yn hwn y mae Statut Gruff. ap Cynan o Lyfr Siôn Brwynog', and pp. 387-8 contain a list of the contents of pp. 393-421 (previously paginated 1-29). Included, pagination in brackets, are prose items headed 'Llyma Saith weithred y Drugaredd yr rhai y bydd Crist ddydd brawd yn holi pob Criston yn galed am danynt' and 'Llyma beth o Gynghoreu Cattwn Ddoeth a'r Bardd Glas o'r Gadair i bob gwr doeth ar y fynno rengi bodd Duw a dynion . . .' (393-9); a short list of 'Geiriau gwir Taliesin' and a series of six Welsh triads (400); a series of sayings attributed to Y Bardd Glas o'r Gadair, and a sequence of questions and answers of a biblical - mythological nature (401-02); and transcripts of strict-metre poems attributed to Gutto'r Glynn, Iorwerth Fynglwyd, Dafydd Na[n]mor, Meilir Brydydd, Dafydd ap Gwilym or Iolo Goch, and Llawdden or Gwilym ap Ieuan hen (403-21). The remainder of the volume contains, pagination in brackets, a copy of rules relating to the holding of 'eisteddfodau' and of a version of the statute for the regulating of the bardic order attributed to Gruffudd ap Cynan as allegedly confirmed at the [mid] fifteenth century 'eisteddfod' held at Carmarthen (425-37; the present version, according to notes On p. 437, had been compiled by Siôn Brwynog from various sources and had been transcribed by [Edward Williams] 'Iolo Morganwg' from one of the manuscripts of the aforementioned Elizabeth Price in the possession of the Reverend Mr. Dafies of Penegos aforesaid); a note by [Edward Williams] 'Iolo Morganwg' relating to the authorship of the aforementioned rules for holding 'eisteddfodau' (438; see TLLM, t. 281); notes relating to an 'eisteddfod' held at Y Pil in co. Glamorgan in 1715 listing the names of bards who ? were present and containing transcripts of 'englynion' composed at or in connection with the said ' eisteddfod' allegedly by Nicolas Rhys, Wil Hopcin, Siôn Bradford ('Ieuan Tir Iarll'), Dafydd Hopcin 'o'r Coetty', Dafydd Nicolas, Gruffudd ap Hywel ('Y Digri Bach'), Rhys Morgan, Siôn Rhydderch, and Dafydd Thomas (441-6; see TLLM, tt. 258, 277 et seq.); a further note relating to the aforementioned Dafydd Thomas who was at Y Pil including a reference to Siôn Rhydderch (446-7; see TLLM, t. 244); and what appears to be the superscription for proposed notes on an 'eisteddfod' held at Ystrad Ywain in co. Glamorgan in May 1720 (448).

'Cywydd Marwnad y parchedig Mr. Evan Llwyd or Fron'; 'cerddi' and 'englynion' by Ellis ap Ellis, Arthur Jones, Thomas Edwards ('Twm o'r Nant'), Huw Morus, John Prichard Prys, and John Davies ('Sion Dafydd Las'); poems submitted for competition at a Llanrhaiadr ym Mochnant eisteddfod; triads; a list of subscriptions 'to alleviate the present distressed Situation of the Widow and Five Children of the late John Humphreys Parry ...'; and notes and memoranda by Walter Davies and D. Silvan Evans.