A composite volume, the contents including: pp. 1-2, an English prose rendering of a cywydd by Tudur Aled requesting a horse from the Abbot of Aber Conwy, the first line of the original being 'Gydag un a geidw Gwynedd ...'; p. 3, 'Names of the Horse', a list of equivalents in several languages; pp. 3-15, 'Extracts from the historical triads of Britain' followed by several quotations and extracts relating to the horse; p. 17, a formal acknowledgement, 1794, from T. W. Wrighte, secretary of the Society of Antiquaries, of the second part of William Owen [-Pughe]'s dictionary; pp. 19-44, an English translation of the beginning of Llyfr y Tri Aderyn ... by Morgan Llwyd (for an edition of the Welsh text see Gweithiau Morgan Llwyd o Wynedd, vol. 1, ed. by Thomas E. Ellis (Bangor, 1899), pp. 157-189); p. 45, eleven verses beginning 'Mi glowais newydd digri ...', and an englyn beginning 'Dannod lliw'r manod ai Mîn, dannod Twyll ...'; p. 47, a list of words headed 'New Holland Language'; pp. 49-86, vocabularies, notes on languages, etc.; pp. 87-110, a Cornish-English vocabulary (A-C), headed 'from a Mss at Mr Halsells wrote about 1710' ('30 years ago' deleted), as well as Cornish versions of the Lord's Prayer; pp. 111-118, a Welsh-English vocabulary; pp. 125-156, 'Egwyddor y Prif Gristnogion Neu reol y Bywyd wedi ei adnewyddu Gyda dull o wir dduwioldeb A'r modd i brofi ein buchedd yn gyfatebol', based on Hugh Turford, Sylfaen Buchedd sanctaidd ... (Carmarthen, 1773), pp. 55-103; pp. 159-168, 'Awdyl voliant i Rys ab Gruffydd ap Howel ap Gruffydd ap Ednyfed Vychan o Von', by Einion Ofeiriad [sic] dated 1280, in the hand of Edward Williams (Iolo Morganwg), beginning 'Rhys ap Gruffudd fudd feiddiaw rhoddiawdr rhyssedd ...'; pp. 179-187, a holograph copy sent to Mr. Thomas Roberts, Goldsmith, of an elegy entitled 'Awdl ... goffadwriaeth am ... Goronwy Owain sef Testyn y Gwyneddigion ... 1803' by 'Eliwlod' [= David Owen (Dewi Wyn o Eifion)] (cf. Cymdeithas y Gwyneddigion, Awdlau Coffadwriaeth am y Parchedig Goronwy Owain ... 1803 (London, [1803]), pp. [9]-18); pp. 191-193, printed proposals, 1789, for printing A Welsh and English Dictionary ... by William Owen; pp. 195-196, five stanzas entitled 'Peace' beginning 'The Song of Peace who would not gladly sing ...'; p. 197, a broadside containing an elegy by Dafydd Ionawr [David Richards], Marwnad y Seneddwr Enwog, Thomas Williams o Fon Esquire (Dolgellau: T. Williams, 1803); p. 199, a printed notice of an eisteddfod to be held at Caerwys, Whitsuntide 1798, under the auspices of the Gwyneddigion Society; and pp. 202-247, a draft introduction by William Owen [-Pughe] to his dictionary, most of which is crossed out, together with miscellaneous linguistic material.

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.

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