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A collection of poems, medical and veterinary recipes, and miscellanea entitled 'Ail Biser Sioned sef Casgliad Cadwalader Davies [Gwyddelwern] wrth ei bleser . . .', with some additions. The poems include 'carolau', 'cerddi', 'cywyddau' and 'englynion' by Hugh Morys, Dafydd Nanmor, Maredudd ap Rhys, William Wynne, John [Siôn] Cadwaladr, Jonathan Hughes, Lewis Morris ('Llywelyn Ddu'), Ellis Roberts, Rees Ellis, Roger Thomley, Ellis Cadwaladr, Matthew Owen, Edmwnd Prys, Dafydd Manuel and others. A valentine from Cadwaladr Davies to Jane Jones is dated 14 February 1749.

A collection of 'cywyddau' attributed to Dafydd ap Gwilym (17), Dafydd Nanmor (2), Hugh Morys, Madog Benfras, Iolo Goch, and Rhys Cain; 'cerddi' by Ellis Roberts Cowper, and Lewis Morris ('Llywelyn Ddu') ('Llythur Cymun Morgan Goch y Melinydd', with an addition by William Jones, and 'Cerdd Marwnad Llewelyn bach o Gaer ludd'); 'englynion' by Merddyn Emrys and Huw Huws; and an English 'charol to be sung on Christmas morning' by Hugh Hughes, 'late of Foel near Llanerchymedd'.

Four volumes containing transcripts of 'cywyddau' and other poems, some of them copied from a Lewis Morris manuscript which belonged in 1913 to J. C. Evans, headmaster of the Bala Grammar School; three undated letters written to Gwrtheyrn by J. H. Jones, editor of Y Brython; and miscellanea.

Miscellaneous items including holograph letters and notes (? some incomplete) from Rob[er]t Davies ['Bardd Nantglyn'] to Morgan Davies, Nannau, Merionethshire, 1826 (the parliamentary election for the ?borough of Denbigh, enclosing a series of nine 'englynion' on the said election), W. Jones, Stockwell, to Morgan Davies [?the same as in the preceding letter] at Sir Rob[er]t W[illia]m Vaughan, M.P., London, 1812 (enclosing a copy of verses entitled 'Cerdd Miss Forgans fawr o Blas y Coed' by J[ohn] Jones, [Jack] Glan y Gors), W. Jones to Evan Lewis, Dolgellau [1825] ( enclosing 'englynion' in memory of the Reverend R[ichard] Hughes, rector of Dolgellau), D[avid] Thomas ['Dafydd Ddu Eryri'] from Waunfawr and Llandwrog school, to Morgan Dafydd, Lady Williams's footman, Nannau [see the first two letters above], 1808 (the epitaph of Edward Jones, servant of Paul Panton of Plas Gwyn, Anglesey, and Bagillt, co. Flint), and ? to a recipient at Nannau, 1817 ('englynion' on the tombstone of a young man who died at Llanrwst, 1817), and [John Thomas] 'Eifionydd' to [ ], [18]87 (a promise to send recipient a booklet on Caernarvon Castle, thanks for a copy of a poem by Lewis Moris, the writer's wish to borrow the text of a talk on Llanrhaiadr by [Robert Ellis] 'Cynddelw', and any other manuscripts in recipient's possession); holograph copies or transcripts of Welsh poems in strict and free metres, some unattributed and some by Lewis Moris ['Llewelyn Ddu o Fôn'], William Jeffreys ('Gwilym Ffraid'), Dafydd Thomas [?'Dafydd Ddu Eryri'], ?Robert Davies ('Bardd Nantglyn'), and [John Cain Jones] 'Siôn Cain alias Siôn Ceiriog', the titles including the following - 'Englynion i Samuel Jones, Adarwr i Syr Robt. W. Fychan o Nannau . . .', 'I anerch Morgan Dafydd, Clochydd Llanelltyd', 'Englynion i gell gymysg y Parch. Roger Cloug[h]', and 'Glan Geirionydd'; holograph copies or transcripts of English poems including poems entitled 'To Wales' (by W. P., Llanfyllin, 1821), 'Thoughts suggested by the wonderful Contrast and variety Exhibited in the works of Nature throughout the principality (of Wales) and Especially in the vicinity of Snowdon' (by T. W. S., 1813), 'Lines Supposed to have been written by . . . Lieut. R. S. Gamage after his Condemnation', and 'Ye Petition of ye court-martial of Admiral Byng'; and a copy of an English carol by Walter Davies [? 'Gwallter Mechain'] headed 'Carol Plygen ar Ffarwel Ned Puw yn Saesoneg'.

A composite volume containing transcripts of miscellaneous Welsh poems, some incomplete, in free and strict metre. The original, brown, paper cover is inscribed 'Amryw Gerddi, Cywyddau, Awdlau, &c., o waith y Beirdd. Date 1766', and the contents include free-metre verse ('cerddi', etc.) by 'Brys Bras Brwnt', Robert Williams, Robert Roberts, Dafydd y prydydd Hir (o Lan fair Talhauarn), Maurice ab Robert, Evan Ellis, John Cadwaladr, Hugh Jones (Llangwm), Rouland Jones (? of Pandy, Llanuwchllyn), Rees Jones, and Thomas Edwards; 'cywyddau' by Rice Jones, Edwart Rouland, Griffith Philip, Thomas Prys, Lewis Morice, Richard Phylip, Hugh Lloyd Cynfel, 'Y Cardwr Du', Dafydd ab Gwilim, Siôn Tyddur, Ellis Rowland, John Dafis, Morys Dwyferch (sic), and Richard Edwards; and 'englynion' by Hugh Jones (o Langwm).

A manuscript volume with the title 'AMRYW' in gold lettering on the spine. Written throughout by William Owen [-Pughe], the manuscript contains transcripts of parts of two older manuscripts, the one in the hand of Lewis Morris [B.M. Add. MS 14908, ff. 36-58], and the other in the hand of Owen Jones, 'Owain Myfyr' [B.M. Add. MS 15020, pp. 1-5, 7-12, 27-8, 33- 5, 44-5, 52-8, 67-70, 93-107, 109-15, 117-23]. The first item in the present manuscript, pp. 1-39, is a transcript of the Statute of Rhuddlan, 'Ystatus Rhuddlan yw hon. A.D. 1283', copied from Lewis Morris's manuscript, which is in turn a copy of a vellum manuscript in the Hengwrt library, which he transcribed in 1738 [i.e. Peniarth MS 41]. The remainder of the present manuscript is copied from B.M. Add. MS 15020, pp. 49-50, 'Rhif Carennydd'; pp. 50-52, 'Llyma y 24 gore, y rhai sy'n ddysg ac yn siampl dda'; p. 53, 'Tri anrhaith Marx Ynys Prydain Mr. Morris o'r Ll. Dû o Gaerfyrddin, Tri Thrin Eddystir Ynys Prydain, Tri Gohoew Eddystir Ynys Prydain, Tri hoew Eddystir Ynys Prydain'; p. 54, 'Cis ddynion Selyf ddoeth'; p. 55, 'Câs Bethau Owen Cyfeiliog'; pp. 56-9, 'Arthur a'i Farchogion (o Lyfr Lewis Dwnn), 3 Aur dafodiawg Farxawg, 3 Marxog Gwyryf, oedd yn Llys Arthur, 3 Chad Farxog, 3 Lledrithiog Farxog, 3 Brenhinawl Farxog, 3 Chyfion Farxog, 3 Gwrthyniad Farchog, 3 Chynghoriad Farxog'; p. 60, 'Pum maib Cenau ap Coel hen ap Riodawr [sic] o'r Gogledd'; pp. 61-3, 'Plant Llowarx hen o fwy nag un wraig, Plant Owain hael ap Urien, Plant Llew ap Cynfarx, Meibion Cynwyd Cynwydion, Plant Urien Reged, Plant Cynfarx'; pp. 64-6, 'Tri thlws ar ddêg ynys Brydain a roed i Daliesin hen Beirdd'; p. 67, 'Saith Gyneddf Gwr dewisol - Taliesin a'i Dywawd'; p. 67, 'Nattur Meddwdod (allan o Dlysau'r hen Oesoedd gan Lewis Morris Yswain)'; pp. 68- 75, 'Llyma Trioedd Arbennig, Trioedd Serch, Trioedd Taliesin, Trioedd Mab y Crinwas'; p. 76, 'Llymma Leoedd ynghorph Dyn y bydd swrn gyneddfau ynddynt'; p. 76, 'Geiriau Gwir Cattw ddoeth'; p. 77, 'Saith ymofynion saith o wyr doethion, ac atteb pob un i'w gilydd'; p. 78, 'Geiriau Gwir'; pp. 79-88, 'Hanes yr Ymrysongerdd rhwng Edmwnt Prys Arxdiagon Meirionydd a Wiliam Cynwal prydydd ac Arwyddfardd - (Ll. Gwyrdd R. Morris Esq.)' [cf. Y Greal (Llundain, 1805), tt. 9-13]; pp. 89-119, 'Damhegion a 'sgrifenwyd ar Femrwn ynghylch y Flwyddyn 1300 - adgrifenwyd [sic] 1769. O. Jones - a minnau 'sgrifenais o Lyfr O. Jones, 1783 - Gwilym Owain', [cf. Y Greal ( Llundain, 1806-1807), tt. 322-9, 366, 279-80, 366-70, and also in Ifor Williams, Chwedlau Odo (Caerdydd, 1957), tt. 1-8, 11-23]; pp. 120-5, 'Copïau o Gwynion fal y maent yn Ysgrifenedig o law Guttyn Owain, gyd â Mr. Trefor, Tref Alun, Cwyn Camgroes, Cwyn torr Croes, Cwyn Anghyfarx, Cwyn Amobr, Cwyn sarhaed', [cf. Y Greal (Llundain, 1806), tt. 321-2, 281, 322]; pp. 126-8, 'Goleufynag o rai Henwau gan y Parchedig Mr. Dav. Jones 1572 - allan o Lythyrau y Parx. Sion Morgan at Moses Williams - Mai 3. 1714'; p. 128, 'Englynion [3] yn rhagymadrodd Llyfr L. Dwnn', beginning 'Fe ddenfyn Duw gwyn da i gyd - a fo raid . . .', with the ascription 'Lewis Dwnn 1606'; p. 129, five 'englynion' entitled 'I'r Pedwar Gwynt' by 'Simwnt Fyxan. Pencerdd', beginning 'Dwyrain dwymyn syx lle'r ymdeurydd, - llu . . .'; p. 130, an 'englyn' entitled 'I Delyn' ('Dd. Ellis a'i cant Jes. Coll. Oxon from Meirion but qu. Revd. Gro. Owen's hand writing. R.M.') beginning 'Difyrrwx di drwx di drais - tawelaidd . . .'; and pp. 130-33, 'Cywydd o waith y Parxedig Sion Morgan i Moses Williams', beginning 'Moes yn awr, wr mawr, i mi, . . .', followed by the note: 'Danfonodd y Cywydd hwn fal y mae heb ei orphen mewn Llythyr i M. Williams yn Nhy Mr. Thomas, Crane Court Fleet Street London - Dyddiedig Odd. Ionawr 1717'. Tipped in on p. 135 is a note, 17 July 1823, referring to Mrs. Townley and Captain Tuck.

A small eighteenth century manuscript containing a few 'englynion', etc., by John Griffith 'o Landdyfnan yn Môn', Owen Gruffydd, J. Rhydderch, Griffith Lloyd, and anonymous authors, with two anecdotes in Welsh. The name 'L. Morris' occurs beneath the anecdotes and the manuscript appears to be for the most part in the hand of Lewis Morris ('Llewelyn Ddu o Fôn').

A volume (pp. 5-310) containing items of an extremely varied nature in the hand of Edward Williams ('Iolo Morganwg'). Included, pagination in brackets, are lists or groups of Welsh words, sometimes with English definitions or equivalents or notes (17, 25, 29, 34, 38, 43, 47, 53, 80-82, 89, 102, 125-6, 134, 142, 157, 161, 170, 182, 196, 203, 219-20, 225, 235-6, 238, 242, 245, 247, 263, 282, 292); extracts from Aneurin's 'Gododdin' headed 'Silldorriadau Gododin' (119-20); notes, sometimes very brief, on or relating to Welsh bardism (21, 27, 57, 72, 127, 156, 187, 192-3, 195, 244, 258), song writing (32), the characteristics of the work of Cattwg, Taliesin, and Aneurin (32), the coming of the Cymry to Britain from Deffrobani and their loss of sovereignty to the Romans and Saxons (36), the knowledge of letters amongst the ancient Britons (37), King Arthur's court (46), the 'modern literary dialect of the Welsh' and the medieval prose and verse of South Wales (49), Welsh poetic metres called ' traethodyn milwr', 'traethodyn cwtta', and 'traethodyn chweban' (52), Merfyn Gwawdrych, 9th cent., and his contemporaries (61), the poet Twm ab Ifan ab Rhys, ? early 17th cent. (69), 'cynghanedd' and the Welsh strict poetic metres with references to an 'eisteddfod' in the time of Ifor ab Ifor of Maeshaleg, a bardic assembly at the monastery of Penrys [co. Glamorgan], temp. Edward IV, when Gwilym Tew exhibited an 'awdl', etc. (77- 8), white blackbirds and sparrows seen at Landough and wild canaries at Lantwit [co. Glamorgan] (98), the relinquishment or retention of ancient arts by nations in proportion to their progress (104), Siôn Rhydderch and his Welsh grammar [Grammadeg Cymraeg, 1728] (119), the use of the prefixes an- and di- in Welsh (133), 'Tair Cynghanedd Anianol' (150 ), 'Cynghanedd ewinog' (151), the use of various rhymes and 'cynganeddion' in Welsh (152), bardic 'cadeiriau' of or at Llanfihangel Glyn Afan, 1355, Llangynwyd, 1452, Y Wenar, 1462, and Tir Iarll, 1488 (159), the two sounds of the letter Y in Welsh (160), the bardic 'Cadair Tir Iarll' (185), the construction of 'Coelbren y Beirdd' (242), the bard Owain ap Rhydderch, late 15th cent. (273), and manifestations or representations of God (290- 91); transcripts of Welsh poems or stanzas of Welsh poems or extracts therefrom attributed to Llelo Llantrisaint sef Llywelyn ap Hywel ap Ieuan ap Gronw (23), [Edward Williams] 'Iolo Morganwg' (50, 68, 82, 87, 217), ? Twm ab Ifan ab Rhys (69), Llawdden (129-30), Wm. Moses (149), Taliesin (240, 242), Thos. Daf. Miles (266), Syr Roger Cyffin 'offeiriad Llanberis' (267), and Risiart Fychan 'o Gors y Gedol' (268); transcripts of unattributed Welsh poems including stanzas of hymn-tunes (23-4, 30, 34, 45, 51, 104, 115, 116, 121, 128, 1311, 148, 175, 191, 213, 232-3, 234, 274 + 283, 278-80); transcripts of English poems (107, 197, 212, 261, 284 + 273); miscellaneous Welsh triads (33, 172, 206, 247); short lists of Welsh proverbs or proverbial sayings (48, 167, 176, 231, 293); a prescription for the cure of rheumatism (50); an anecdote relating to the struggle between Caradawc ab Bran ap Llyr and the Romans, the burning of forests in Britain, and the building by Manawydan fab Llyr of a prison called 'Carchar Oeth ag Anoeth' from the bones of those slain in battle, allegedly extracted from [a manuscript called] the 'Yniales' (65-8; for another copy of the anecdote see NLW MS 13152A above); a prefatory note to an intended collection of proverbs, moral aphorisms, etc., allegedly composed or compiled by Cattwg Ddoeth (73-4); a list of old Welsh musical instruments ('Offerynau Cerdd arwest yr hen Gymry') (80); a transcript of the opening paragraph of an alleged version of 'Gramadeg Einiawn Offeiriad' (83); notes on (a) the situation and extent, and (b) the divisions of the county of Glamorgan being sections 1 and 2 of a projected chapter to be headed 'Geographical State and Circumstances' which presumably would have been Chapter 1 of a work on the said county (91-2); an incomplete list of bardic, literary, and other topics in English and Welsh, e.g. 'Cannons of Etymology', 'Miscellanies relating to Welsh poetry', 'Achau Saint Ynys Prydain', 'MSS. in Jesus College Library', under the superscription 'Collecting Sheets 8vo' (99); a list of nine topics such as 'Diarhebion Morganwg Annosparthus', 'Mangofion Gwynedd 1799', etc. (101); (continued)

A list of thirteen topics, e.g. 'Princes of Southwales', 'Anecdotes of Howel Dda', 'Meddygon Myddfai', etc., headed 'For Mr. Rees, Caermarthen' (105); copies of memorial inscriptions ? in St. Athan parish church (107-08); a list of six rules headed 'Unitarian Discipline' (113); a list of fifteen topics or personal names of a varying nature, e.g. 'Llangyndeyrn Marble at Caerm[arthe]n', 'Donne the Satirist', 'Taly Llycheu Church, D.G.' (114); a list of eight 'Ysgriflyfrau gan Iolo Morganwg 1800' (127); a list of Welsh proverbial sayings or advisory precepts some in verse form and some attributed to Cattwg Ddoeth (141, 144-6); a list of the names of six series of Welsh triads (147); a list of the names of thirteen persons headed 'Selfeducated persons in Glamorgan Vale' and a second list containing the names of eight persons headed 'Glamorgan Mountains' the persons named in this list apparently belonging to the same category as those in the first list (158); a list of eight topics or items, e.g. 'Llythyrau Dafydd o'r Nant', 'Rheolau Tudur Aled', etc., which were to be included in an unspecified work (164); brief genealogical data relating to the family of Einiawn Offeiriad (171); a list of Welsh 'Enwau Llefydd' ( 172); brief incomplete notes relating to the development of Welsh literature headed 'English Preface to Cyfrinach y Beirdd' (214); an explanatory note on 'cynghanedd groes' in the form of question and answer between pupil and master (251-2); a draft of a memorial and remonstrance to the members of, and subscribers to, the 'Fund of the South Wales Unitarian Society for the Diffusion of Christian Knowledge' expressing concern at irregularities in the conduct of the society (265 + 260); patterns or examples of metres and metric lines headed 'Specimens of Welsh Lyrics and Verse' (262); a list of the names of six Welsh bards, 1650-80, to refute L[ewis] Morys's assertion that no good 'cywydd' had been written since the reign of Elizabeth (267); brief notes on the activities of [John] Poyer and [Rowland] Laugharne in the Civil War in South Wales and a list of English sovereigns, 1603-1760 (269); ? observations on a proposed 'Essay on the Ancient Welsh Literature', etc. (271); synopses of the contents of ? six chapters of a proposed 'Collection for a New History of Wales from Ancient Welsh MSS.' ('On the Origin of the Cimbri', 'Principles of Ancient British Government', 'The Ancient Institution of the Bards', etc.) (272); music for an unspecified air (296); and notes and a sketch relating to a plan of a 'meeting house, octagonal or circular' (298). Some of the notes, etc., have been written on the verso or in the margins of a copy of a printed notice by White and Barnards, Barge Masters, advertising their services, 1800 (100), a copy of a printed notice issued by the Caslon Letter Foundry, London, advertising their preparedness to provide printing types and materials (123), imperfect copies of a printed leaflet, 1797, announcing an 'eisteddfod' to be held under the patronage of the Gwyneddigion Society in 1798 (142-3, 204-05), a copy of printed proposals, 1811, for a new edition of 'The History of Wales written originally in Welsh by Caradoc of Llancarvan translated into English by Dr. Powell and augmented by W. Wynne' (194 + 191), 'An Exemplification of Masons' Work done for Robert Jones, Esqr., of Fonmon Castle . . . Burton Causway by William Baker, Mason, 1813 and 18[14] as attested by Thos. Raecliff and Edward Williams in 1814 (198-9, 210-11), a ? holograph letter from R. Evans from Cowbridge to . . ., undated (personal) (220-21), an account for goods purchased by E. Williams [? 'Iolo Morganwg'] from James Bradley, chemist, Cowbridge, in 1816 (226 + 239), a printed calendar of prisoners in ? Cardiff Gaol, ? 1803 (227 + 238), a copy of printed proposals for publishing George Dyer's Memoirs of the Life and Writings of . . . Robert Robinson of Chesterton (234 + 231), and a ? holograph note from Thomas William to Edward Williams [? 'Iolo Morganwg'], 1814, informing him that Christopher ? James wished to see him (259 + 266).

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 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 small volume, originally with clasps, containing 'cywyddau', 'englynion', etc. by Evan ab Evan (lines from Anacreon), Taliesin, Dafydd ap Edmwnt, John Philipp, Richard Philip, Dafydd ap Gwilim, Tudur Aled, John Dafies (Dafis), Owen Gwynedd, W(illiam) Llyn, Sion Brwnog (Brwynog), Dafydd Trefor, Dafydd Llwyd ap Llywelyn ap Gruffydd, Iolo Goch, Thomas Prys o Blas Iolyn Esgwier, Hugh Llwyd Cynfal, Doctor (Sion) Cent, Tudur Penllyn, Edward M[orus], Sr. Morgan, Rowland Vaughan, Hugh ap Ev. ap Ro[ ] and Wmphre David. The contents appear to have been transcribed after 1744 from a manuscript annotated by Lewis Morris, and a note on p. 100 suggests a connection with BM Additional MS 14866, although none of the poems are to be found in that volume. There are a number of quotations in the margins and elsewhere from Pope, Homer, Dryden, etc. At the beginning, in a later hand, are an 'englyn' by Siencyn Thomas Morgan and an 'englyn' which is described as being on the tombstone of the Reverend Alban Thomas of Blaen y Porth, Cardiganshire. A note in pencil on the limp boards which were originally inside the vellum cover reads 'Gwaith hen Feirdd MS from Rev. Armstrong Williams'.

A manuscript consisting largely of transcripts and memoranda by Mary Richards and Thomas Richards of Darowen. The volume appears originally to have been used as an account book of receipts and disbursements in respect of the farms of Llwyn, Cafnmaelen and Byrthlwydd [parish of Dolgellau, Merioneth], 1799-1802, and also to record biographies of [James Crichton, 'The Admirable'], Sir Francis Walsingham, Sir Francis Drake and William Cecil, Lord Burghley. The additions made by the Richards family consist of contemporary and some near-contemporary poetry in both strict and free metres by Walter Davies ('Gwallter Mechain'), Robert Parry (Eglwysfach, Denbighshire), [Morris Jones] 'Meurig Idris', Robin Ddu o Fôn, David Richards ('Dewi Silin'), Sion Pryse (Penant Mowddwy), [John Jones] 'Myllin', Dafydd Ellis (Mowddwy), William Owain (1822), [Thomas Edwards] 'Twm o'r Nant', John Roberts (Herseth), [Hugh Jones] 'H[uw] Erfyl', Evan Evans ('Ieuan Glan Geirionydd'), William Jones ('Cawrdaf'), David Rees (1785), John Morgan ('o Lanfread Ceredigion'), Hugh Moris, Robert Davies ('Bardd Nantglyn'), Evan Evan ('o Arwydd yr Arth'), H. Griffith ('H[arri] Goch'), Robt Parry (Darowen), Robert Richard ('mab Hugh Richard Tailiwr Darowen'), [William Williams] 'Gwilym ab Iorwerth' (Darowen), Richard Richards [Meifod], William Pugh, J[ohn] H[ughes], Pontrobert, [John Jones] 'Ioan Tegid', Robert Dafydd ('o Fowddwy'), [Daniel Evans] 'Daniel Ddu o Geredigion', Edward Taliesin Llwyd (Tal y bont, swydd Gaerdigan'), John Athelystan [sic] Owen ('Bardd Meirion'), John Blackwell ['Alun'], John Morris ('Y Wern Philyp, Llanbadarn'), David Morgan (1743), Dafydd Morris (Llanfair Caer Einion), [Robert Williams] 'Robert ap Gwilym Ddu', W. Jones (Llanerful), ? Morris Jones (Towyn), ? Lewis Richards ('Person Llan Erful'), Thomas Williams (Llanfihangel) ['Eos Gwynfa', or 'Eos y Mynydd'], Evan Williams (Darowen), Dafydd Thomas ('Dafydd Ddu Eryri'), [William Edwards] 'Gwilym Padarn', John Williams (Dolgelley), Dafydd William (Llandeilo fach), Thomas Ellis (Caerwys), etc., and anonymous compositions; transcripts and extracts from earlier manuscripts, consisting largely of 'cywyddau', 'awdlau', etc. by Ifan Llwyd, Edward Urien, Huw Mathew, Leilin [recte Heilin] Fardd, Rys Cain, Davydd ap Gwilim, Dafydd Nanmor, Lewis Trefnant, Efan Tew, Mathew Bromfield, Syr Owen ap Gwilim ('Persson Owen'), Owen Gwynedd, William Llyn, Huw Arwystl, John Philip, Rissiart Philip, Sion Cent, Evan Llwyd Owain Erigain [recte 'o waun Einion'], Morus ap I[eu]an ab Einion [Morus Dwyfech], Lewys Glyn Cothi, Edmund Prys, Owain ap Rhys ap Sion ap Howel Koetmor, Sion Tudur, Ystyffan Bardd Teiliaw, Thomas Lloyd Iangaf ('o Penmaen'), Thomas Pryse (Plas Iolyn), Gwilim ap Ieuan hen, William Cynwal, Syr Rhys Carno, Dafydd Llwyd Llywelyn ap Gruffydd, Meredydd ap Rhys, Llywelyn ap Guttun, Sr Huw Jones ('Bicar Llanvair Ynyffryn Clwyd'), Taliesin, Howel ab Reinallt, Sion Brwynog, Iorwerth Fynglwyd, Gutto'r Glyn, Huw Penant, Gruffudd D'd ap Howel, Howel Cilan, Dafydd ap Einion, Gruffudd ap Jenkin ap Llywelyn Vychan, Gruffudd Hiraethog, Deicin Kyfeiliog, Ifan Tudur Owen, Huw Kollwyd [recte Kollwyn], Iefan Brydydd hir, Iolo Goch, etc. and anonymous compositions; letters from W[alter] D[avies] ['Gwallter Mechain'] to T[homas] Richards, Berriew School, 1824 (inscriptions on medals), John Davies, Llanbryn Mair to Mary Richard, Darowen, 1828 (a request for a carol), Dafydd Richards ['Dewi Silin'] to his brother Richard Richards, undated (an appointment), William Tolman, Carnarvon, to [Mary Richards], 1826 (engraving on silver cups presented to Llanbeblig Church), John Blackwell to D. Richard ['Dewi Silin'], Llansilin, undated (enclosing 'englynion'), and Robert Nanney [Llwyn, Dolgelley], Dartmouth to [Thomas] Richards, Llan y Mowddwy, 1793 (the writer's tithe); 'Gofrestr or Tansgryfwyr at y Cwpanau Arian a gasglwyd yn y flwyddyn 1823'; notes on excavations of cairns in Darowen and Cemes; a treatise, being 'a Preface to a Book composed by me L[ewis] M[orris] Entitled Y [swe]lediad byr or holl Gelfyddydau a gwybodaethau Enwogaf yn y Byd June 1729' (extracted from Cwrt Mawr MS 200; see Y Gwyliedydd, 1837, 85-6 et al, and Cymru XII (1897), 261-4: a note on page 185 verso states that 'Trysor Gell Barddoniaeth ... Gan Lewis Morris' (Cwrt Mawr MS 200) was then in the possession of Mrs Watkin, Moel Cerni, Llanfihangel Genau'r Glyn, Cardiganshire, and that she also possessed several other manuscripts. Mrs Watkins' father, Mr Morgan 'o Lanfread' is stated to have been a friend of Lewis Morris); 'Grwgnachrwydd yr Oes. Sef Traethawd byr ar un o destynau Eisteddfod Tal y Cafn ... y 30ain o Hydref 1823. Gan Ednyfed', pedigrees (eg Dr John Davies, Mallwyd and Thomas Jones, Esgir Evan, Llanbryn Mair); medical recipes; memoranda and diary entries; cut-out autographs; press cuttings, etc. The volume is lettered 'Llyfr Hir Mair Richards'.

A composite volume, partly in the hand of Mary Richards, Darowen, containing poetry (some composed by poets on visits to Darowen), largely in the form of 'englynion', by Rowland Parry ('Ieuan Carn Dochen'), David Richards ('Dewi Silin'), Evan Evans ('Ieuan Glan Geirionydd'), [William Jones] 'G[wilym] Cawrdaf', [William Williams] 'G[wilym] Cyfeiliog', [William Williams] 'Gwilim Iorwerth' (Darowen), Robart Parri (?'Robyn Ddu Eryri'), [David Richards] 'Dafydd Ionawr', Aneurin Owen, 'Llewelyn Idris', William Edwards ('Gwilym Padarn'), David Pugh, [Benjamin Jones] 'P. A. Môn', [Morris Jones] 'Meurig Idris' (Dolgellau), 'Cynfrig', Robert Parry ('Robyn Ddu Eryri'), David Ellis (Llanwrin), John Davies, W. W. Jones (Glaslyn), Robert Davies ('Bardd Nantglyn'), J[ohn] A[thelston] Owen ('Bardd Meirion'), William Edwards ('Gwilym Callestr'), 'Gwilym Tew Glan Taf', Walter Davies ('Gwallter Mechain'), [W. Williams] 'Gwilym Bryn Mair', [Henry Griffyth] 'Hari Goch o Wynedd', [Morris Davies] 'Meurig Ebrill', Griffith Llwyd, Evan Jones ('Ieuan Gwynedd') [Robert Jones] 'Bardd Mawddach', John Jones ('Vicar Llanfair'), Edward Beynion [Bennion] ('Meddyg Cyrnybwch') (Oswestry), David (Dafydd) Harries (Nantllemysten), Dr [William Owen-] Pughe, etc., and anonymous poems; 'Traethawd neu Raglwybr yn dysgu Egwyddorion a Gwreiddiau Cerddoriaeth (incomplete); notes on bardic and ogham alphabets; 'Cofrestr or Cromlechau neu Allorau'r Derwyddion'; 'Drygioni Meddod'; 'Tri thlws ar ddeg o Frenindlysau Ynys Brydain' and 'Achau Llywelyn ap Gruffydd' (from a manuscript [Cwrtmawr MS 200] of Lewis Morris ('Llywelyn Ddu o Fôn'); copies of letters to Mary Richards, &c. from [Daniel Evans] 'Daniel Ddu o Geredigion', Maesmynach, near Lampeter, 1830 (the publication of the writer's Gwinllan y Bardd), William Edward ('Gwilym Padarn'), Waun fawr, 1822 (a visit to Gwent eisteddfod, a silver cup of Capt. William Griffith of Caernarvon, enclosing poetry), W. Owen-Pughe ('Gwilym Owain o Feirion') (to John [Ryland] Harris 'Ieuan Ddu Glan Tawy'), 1823 (personal) (with an incomplete reply) ('ni bu yr yscrifell byth mwyach yn ei law'), J. Blackwell ['Alun'] Oxford, 1824 (enclosing a stanza by 'Ioan Tegid'), Jas. Evans, secretary, Cymmrodorion or Metropolitan Cambrian Institution, 1821 (the addressee's election to honorary membership), etc.; an address of the Cymreigyddion Society of Aberystwyth to Mary Richards, 1822, and the latter's reply, 1823; an account of a St David's Day dinner of the Cymreigyddion Society of Aberystwyth, 1823 (from Seren Gomer, June 1823); miscellaneous memoranda and anecdotes, etc. Some of the transcripts are in a bardic alphabet. Inset are two 'carolau' composed in America, 1860, by John Lewis Davies ('Ioan Cadfan').

A volume entitled 'Gweithiau Lewis Morris. Llywelyn Ddu o Fôn', being transcripts and extracts made by J. H. Davies, c. 1902, from manuscripts in the British Museum and the National Library of Wales. The collection also contains poetry in strict and free metres by Sion Tomas Owen ('y Gwehydd o Fodedern'), Michael Prichard ('mab chochydd [sic] Llanllyfni'), Sion Rhydderch, Rhist. Roberts ('clochydd Llanddeusant'), Huw Huws ('o Lwydiarth Esgob ym Mon'), and W. Wynn; 'Rhybudd i Wenno [Translation of Darby & Joan]' by Roger Edwards ('offeiriad Llanaber ym Meirionydd'); a calendar of the Lewis Morris MS designated NLW MS 604; and 'Young Mends the Clothier's Sermon', a satire by Lewis Morris on Methodist preachers, from NLW MS 67, pp. 51-70. Inset is a reduced photograph of pp. 32-3 of NLW MS 604.

A composite collection of Welsh poetry and prose entitled 'Crwth a Thelyn. Y Rhan Gyntaf, sef y Crwth. Yr hwn Grwth a Aing ynddaw Swrn o Orchestawl Waith y Cynfeirdd, ac Ychydig o Farddoniaeth yr oes hon'. The collection was compiled by Hugh Jones, Esqr., of Talyllyn, and was begun by him about 1730. The collection comprises: Tlysau yr hen oesoedd ([C]aer-Gybi, 1735); triads ('gweddus I Ddyn yw Dyscu ai Cofio'. Wedi ei Sgrifen[n]u gan y Gwr da urddasol hwn[n]w a elwir Bol Haul ai law ei hun, i Hugh Jones o Gwm[m]inod yn Sir Fôn, Wr Bonheddig. Caergybi Ionawr y 13 ... 1737... [fel] y Tystia Wm. Morris'); cywyddau, etc., by Sion Tudur, Rhydderch ap Sion, Dafydd ap Gwilym, Edward Maelor, Rhys Goch o Eryri, Hugh Jones ('Vicar Llanvair yn nyffryn Clwyd'), Doctor Sion Cent, Thomas Prys, Hugh Arw'stl, Lewis Glyn Cothi, Gruffydd Llwyd ap Ifan, Michael Prichard, John (Sion) Thomas ('o Fodedarn'), (Gwen Arthur, and Sian Sampson ? = Michael Prichard), Lewis Morris ('Hydrographer'), J[ohn] D[avies] ('John Dafydd Laes'), Hugh Hughes ['Y Bardd Coch o Fôn], Rhys Penardd, John Prichard Prys, William Philyp, David Manuel, and William Wynn; 'Tri thlws ar ddeg o Frenindlysau ynys Brydain ...'; verses in English entitled 'Sidanan, or a Song in Praise of the Glorious Queen Elizabeth' (by 'Edward ap Rhys Wynne ... of Clygyrog in Anglesey fellow of Wadham Coll: Oxon'); 'Drygioni Medddod'; poetry in free metres by Harri William ('o blwyf Blaenau Gwent ...') ('Llym[m]a freuddwyd Gronw ddu wyr Dydur fychan o fon ar Gan'), Huw Dafi ('o Wynedd'), L. Morris ('Sion Onest'), Ambros Lewis, etc.; verses entitled 'On Rome's pardons, by the Earl of Rochester'; 'An Inscription on the Tomb Stone of one Margaret Scot who died at Dalkeith ... the 9th of February 1738'; a veterinary recipe in the form of a Welsh 'pennill'; 'Englynion Einion ab Gwalchmai o Dre Feilir pan ddaeth adre wedi bod ar goll ...'; copies of letters from Lewis Morris ['Llywelyn Ddu o Fôn'] to Sion Thomas ('o Fodedern') ('pan oedd beirdd Arfon gwedi Cyhoeddi Rhyfel yn erbyn Ardderchawg Feirdd ynus Fon') (together with a reply), from Michael Prichard, Llanllyfni, and from John Thomas Owen ('o Fodedarn') to Hugh Jones, 1730 (poetry by Gwen Arthur and Sian Sampson), and from Lewis Morris to [William] Vaughan, Cors y Gedol, 1743 (the writer's circumstances); an account of the descendants of William David ab Howel, Tregaian (see Cwrtmawr MS 110); tombstone inscriptions from Abergelau; 'Marwnad William Davydd a elwir yn gyffredin Bol Haul, y Twrnai ...' by Lewis Morris; 'Colins Complaint translated by Mr. L. Morris, neu Cwynfan Siencyn'; 'A Preachment on Malt'; 'englynion' in English by David Manuel, 1690; a transcript, 1755, of Egluryn Ffraethineb (Llundain, 1595) of Henry Perri; and a draft essay, in a later hand, on 'O Dduw mae pob peth' for the London Cymmrodorion Society, 1823. The volume is lettered on the spine 'Crwth a Thelyn. Vol. I'.

A manuscript in the hand of Lewis Morris ('Llewelyn Ddu o Fôn; 1701-65) based on a volume entitled 'Mysteria Kabalae Bardicae' and on other sources quoted by the scribe. It contains poetry by Taliesyn, Merddin, Rhys fardd, Gronw ddu o Fon, Ll'n ap Owain, Y Bardd Cwsg, Y Ffreier Bacwn, Robin Ddu, Davydd ap Gwilim, Llowarch Offeiriad, Iolo Goch, Sr Roger y ffeiriad, Huw ap Rhisiart ap Dld, Bleddyn Fardd, Gronwy Gyrriog, Gruffyth Gryg, Alis verch Gryffyth ap Ieuan, Iefan ap Rhydderch ap Ievan Llwyd, D'd Nanmor, Gvttor Glyn, Tvdvr Aled, Sion Brwynog, Gyttvn Owain, Tvdvr Penllyn, Gruffydd Llwyd ap Davydd ap Einion, Simwnt Vychan, Sion Keri, Ieuan ap Tudur Penllyn, Llewelyn ap Guttyn, Lewis Mon, Sion ap Howel ap Ll'n Vychan, Gruff. ap Ieuan ap Ll'n V'n, Rhys Meigen, Deio ap Ieuan Du, Lewis ab Edwart, Gronw ap Ednyfed, Sion Tudr, Bedo Eurddrem, Huw Arwystl, Ll'n Brydydd Hodnant, Robt. Puw, Edward Morris (Perthi Llwydion), Huw Morys, Lewis Morris, Rhys Cain, and anonymous poetry; 'Llyma freuddwyd Grono ddu o fôn'; 'Prophwydoliaeth Ddewi'; 'Prophwydoliaeth yr Eryr o Gaer Septon'; 'Prophwydoliaeth y Doctor Banystr'; 'Prophwydoliaethau Robin ddu'; a list of, and extracts from poems, by Dafydd Lloyd ap Llewelyn ap Gryffydd; 'Araith Iolo Goch'; notes from a manuscript in the hand of Thomas Prys of Plas Iolyn; 'The British Triades' translated from a copy in the hand of Mr [Robert] Vaughan of Hengwrt; 'Achau'r Cwrw a'i Fonedd a'i Hanes'; 'Some Remarks upon the Commodities of Anglesey, & Quaere wh. ye Laziness of the Inhabitants be not a great Cause of their Poverty & Want of Trade'; 'Achau Elsbeth Brenhines Lloegr'; etc. The volume was begun in 1726, and there are some additions to the year 1759. There are a few entries by Peter Bailey Williams (1821), and also by St Geo[rge] Armstrong Williams, who has included a short biography of Lewis Morris.

A manuscript incorrectly bound in two volumes, both lettered 'Hen Farddoniaeth', containing 'cywyddau' and some 'awdlau' and 'englynion' by Dafydd ap Gwilim, Ifan ap Howel Swrdal, John ab Tudur Owen, Morus Richard, Owen Gruffyth ('o sir Gaerna[r]fon'), Edward John ab Euan, Rees Kain, Sion Mowddwy, Hugh Lewis, Mr Rowland Price (1691, 'yn Mangor I gwnaeth'), Sion Dauid las (1691), Hugh Moris, Rob. Gry. ab Evan, John Richard, Simwynt Vychan, William Llyn, Sion Mowddwy, Owen Gwynedd, Sion Cain, Iolo Goch, Gryffydd Grvg, John Brwynog ('a Roman Catholic'), Dafydd Nanmor, Sion Philip, John Tvder, Iefan Tew brydydd ('o gydweli'), Ellis ap Ellis, Ierwerth Vynglwyd, Sypyn Kefeiliog, Gytto or glyn, Howell ap Dauid ap Ieuuan ap Res ('prydydd a gwas or ty yn rraglan'), Lewes Mon, Syr Dafydd Trevor, Syr Owen ap Gwylym, Huw Arwystl, Dafydd Meifod, Sion Kent, Dafydd Llwyd ap Ll'nn ap Gryffydd, William Llyn, Gwilym ap Ie'nn Hen, Sion Keri, Rys Goch or Yri ('a rhai Howel Kilan'), Taliesyn, Tudyr Penllyn, Dafydd ap Gwilym, Gruffydd Llwyd D'd ap Eign', Madog Benfras, Ifan Llwyd, Gwilym ap Ifan Hen, Thomas Derllys, Hughe Penall, Res ap Hoell ap D'd, D'd Johns, Gruf. ap Ie'nn ap Ll'n Vych'n, Dauid ap Edmwnd, Syr Ifan, Richard Philip, Owen ap Llywelyn Moell, Hughe Dyfi, Dafydd ap Owen, Bedo Brwynllys, Lewis Hvdol, Res Gogh Glan Kiriog, Tuder Aled, Syr Lewis Deyddwr, Llewelyn Goch ap Meyryk Hen, Bedo Evrdrem, Ie'nn Tydyr Owen, Llywelyn ab Gvttvn, John ab Evan Tvdur Owen ('o ddygoed Mowddwy') (1648), Gryffyth Lloyd ab Dafydd ab Einion Lligliw, Gwilym ab Gefnyn [sic], William Kynwal, Ifann Brydydd hir, Doctor Sion Kent, Mr Edmont Prees ('Archiagon Merionith'), Edward ab Rhese, Edward Vrien, Hughe Moris (1692), Robert Dyfi, John Vaughan ('o Gaergae'), Thomas Lloyd ('o Benmaen), Rees Cadwaladr ('offeiriad'), Thomas Llwyd ('ifiengaf'), Rowland Price (1686), John Edward ('glochydd'), Richard Edwards ('y Brydudd o ddimbech'), Sion Dafydd, Thomas Prys, Howel David Lloyd ap y gof, Ellis Rowland, Lewis ab Edward, Lewis Owen, and anonymous poems; poems in free metres by Sir Rees Cadwaladr and Edward Rolant (1674); a list of patrons, poets, and musicians at Caerwys Eisteddfod, 1567; 'The nativitie [1599/1600-1601] of the Childrine of Hughe Gwyne ap John ap Hughe and Katherin, his wyf'; triads; brief notes on the manner of death of specified wives of Roman leaders; etc. One section of the manuscript belongs to the first half of the seventeenth century, and is suggested by William Maurice (d. 1680), Cefn-y-braich, Llansilin, to be in the hand of Ieuan Tudur Owen, 'o Ddugoed, Mowddwy'. The remainder is in several hands of the late seventeenth or early eighteenth century. There are copious annotations by William Maurice and some additions and annotations by Cadwaladr Dafydd, Llanymowddwy (1747) and L[ewis] Morris ('Llewelyn Ddu o Fôn', 1701-65).