A composite volume containing lists of Welsh words and their meanings, some in the autograph of John Jones ('Myrddin Fardd'), others from printed sources; notes in the autograph of R. Prys Morris, including references to a number of 'cywyddau', etc. by Edmwnd Prys in BM Add MSS and a few extracts from [Joseph] Besse, A collection of the sufferings of the people called Quakers (London, 1753); part of a letter from the Reverend Evan Evans [? Llansadwrn Rectory, Anglesey] to 'Myrddin Fardd'; and transcripts in the autograph of 'Myrddin Fardd' and others of poetry by Rowland Jones, Richard Hughes, Cefn Llanfair, Cadwaladr Cesail, Thomas Williams ('Twm Pedrog'), Morys Dwyfech, Huw Arwystl, [ ] 'Gutto o Leyn' (d. 1867) (beginning wanting) and [Evan Pritchard] 'Ieuan Lleyn', some printed in J. Jones ['Myrddin Fardd'], Cynfeirdd Lleyn (Pwllheli, 1905).

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

Twelve letters (two damaged), with enclosures and part of another letter, 1869-84, to D. Silvan Evans from Edw[ar]d Hamer, Talywaun and Abersychan (Pontypool) and Llanidloes (the writer's wish to have perfect copies of two poems by Huw Arwystli [sic], the 'Llyfryddiaeth' [i.e. Llyfryddiaeth y Cymry], names of rivers in Montgomeryshire, etc., reference to the Mold Eisteddfod [1873] initiating the movement for the establishment of a National Library).

A draft of part of the Introduction to Vol. II of 'Gweithiau Morgan Llwyd', edited by J. H. Davies, with additional notes, and a letter addressed to J. H. Davies from C. Bryner Jones.

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

A volume of popular Welsh poems on religious and scriptural themes written c. 1673-1674 by James Phillipp(es), with additions made a generation later by Phillipp James. The poems belong to the type of verse known in Cardiganshire as 'halsingod'. Linguistic evidence suggests that the authors were natives of East Carmarthenshire.

A manuscript containing poetry by Guto'r Glyn, Siôn Tudur, Wiliam Llŷn, Gruffydd Phylip and others.

A volume in the hand of J. H. Davies containing transcripts of Welsh poetry, mainly 'englynion', lists of the compositions of Welsh poets of the 14th-16th centuries (titles and first lines) and a few miscellaneous notes. Nearly all the contents are copied from Jesus College MSS lxxxviii, ci, cxxxviii, cxxxix (R.W.M., Vol. II, Part I, Jesus College MSS 18, 17, 16, 14); the main source of the poetry is Jesus College MSS lxxxviii. The first three pages contain extracts from Ashmolean 847. There is some material from printed sources, including a plan (p. 166) of the British encampments and the mines worked by the Ancient Britons between Rheidol and Dovey, probably copied from J. G. Williams: A short account of the British Encampments lying between the rivers Rheidol & Llyfnant ... (Aberystwyth, 1866).

Thirty-two letters and one postcard, 1869-90, to D. Silvan Evans from Howel W[illiam] Lloyd (1816-93), Upper Chelsea and Kensington ('Y Marchog Crwydrad', mention of 'Llyfr Ceniarth', a manuscript containing poems by Huw Arwystli [sic], etc., bibliographical matters, his efforts to collect the poems of Guto'r Glyn, the addressee's dictionary).

A manuscript containing poetry by Iolo Goch, Dafydd ab Edmwnd, Guto'r Glyn, Lewis Glyn Cothi, Wiliam Llŷn and others.

A typescript essay entitled 'Casgliad o weithiau Sion Brwynog, gyda nodiadau hanesyddol a beirniadol' by the late the Reverend Gilwym H[ywel] Jones, Welsh Presbyterian minister, Blaenclydach, co. Glamorgan. The essay, under the pseudonym of 'Emrys', was awarded the prize at the National Eisteddfod at Holyhead, 1927, and pasted into the volume is a typescript copy of the adjudication of Professor Sir John Morris Jones and Professor Henry Lewis.

Three copybooks of lecture notes, 1902-1904, compiled by John Tudor of Hebron, Pembrokeshire, whilst an undergraduate at the University College of North Wales, Bangor.
The volumes include notes on Welsh poetry (1450-1600) and exercises in Hebrew grammar (NLW MS 16192iB); notes on Welsh poetry (1300-1450), notes on Welsh and Irish philology and a comparative list of Irish and Welsh words (NLW MS 16192iiB); and notes on Welsh poets of the fifteenth century (NLW MS 16192iiiB). A note from the donor is included (with NLW MS 16192iB)

A composite volume containing notes, lists, transcripts, etc., of a very miscellaneous nature in the hand of Edward Williams ('Iolo Morganwg'). The contents, pagination in brackets, include reflections on looking at the ruins of medieval castles more particularly those of Glamorgan (xi + xiv); lists or groups of Welsh words, sometimes with English definitions and / or illustrative excerpts from Welsh poems (5-8, 11, 13, 42-3, 45-52 72, 117, 124, 145-7, 163, 215, 218, 221-2, 227-9, 231, 233, 243-7, 251-4, 268, 302, 307, 316); a list of the titles of 'Cywyddau Ior[wer]th Morganwg' i.e. Edward Williams himself (9-10); a seven-stanza poem entitled 'Cân y Bore' by [Edward Williams] 'Iorwerth Morganwg' (15-19); brief lists of events with dates extracted from [Henry Rowlands:] Mona antiqua [restaurata] and [William] Camden [:?Britannia] (20-21); an extract relating to the 'cantrefi' of Morgannwg from 'Vol. 17, Plas Gwynn' [i.e. Panton MS 17 now NLW MS 1986] (22); notes on laws promulgated by Sir Robert Fitshammon [in Glamorgan in the late eleventh century] (53); brief notes headed 'Peculiarities of the orthography of Mr. Bassett of Lanelays Welsh MS. History of the 13 Knights' (41); brief notes referring to the Norman knights Sir Lawrence Berckrolls, Gilbert Humphrefil, and Sir William Le Esterling and the lands given to them [on the conquest of Glamorgan] (39- 40); brief notes headed 'Llyma son am Dywysogaeth a Phendefigaeth a Bonedd Morganwg' (36-7); a list of sixteen [Glamorgan] castles with brief notes thereon (34-5); notes relating to Morgannwg ? in the late eleventh and first half of the twelfth century with references to Paen Twrbil, an attack on Cardiff Castle ? led by Ifor Bach, a political and judicial system ? set up by Ifor Bach, a law promulgated by 'ffwg Morganwg' against foreigners, etc. (30-33); brief notes relating to meetings of the Welsh bards held in the various princes' courts four times a year ? during the second half of the eleventh century, the supervision of the bards' use of Welsh by the princes, the patronage of the bards by Rhys fab Tydyr Fawr and Nest, wife of Iestyn [ap Gwrgant], and a meeting arranged between the said Rhys, Nest, and Iestyn (27-9); brief notes relating to the division of his domain by Rhodri Mawr amongst his sons, the conditions imposed on them, the status and duties of the kings of various parts of Wales, etc. (24-6); drafts of a proposed title-page for Cyfrinach Beirdd Ynys Prydain to be published in 1822 (57, 68); lines of Welsh verse to illustrate 'cynghanedd' of the 'groes rywiog' type (58, 67); brief notes on and a sketch to illustrate 'Cylch yr Abred', 'Cylch y Gwynfyd', and 'Cylch y Ceugant' (59); a list of bardic 'gorseddau' (60-61); notes relating to the creation of the twenty-four Knights of the Round Table by King Arthur and to the qualities and duties expected of such knights, a list of the twenty- four accomplishments they should be capable of, and a list of the names of sixteen of the said knights (62-6); a brief note relating to the bardic 'Cadair Tir Iarll' ? instituted in the time of Gilbart y Clâr (69); a brief note referring to the bards Risiart ap Iorwerth Fynglwyd and Hywel Hir ap Rhys ap Llywelyn (78); notes headed 'Y Ford Gron' referring to the organising of the Welsh bards, musicians, etc. (81-2); notes relating to procedure in connection with bardic meetings (86-7); a brief note attacking 'Win. Owen, Edward Davies, a'r Hen darn Tant E. Jones' (87); a note relating to the contents of 'Greal Beirdd Morganwg' ? an intended quarterly periodical (94); notes relating to the knowledge of letters amongst the Cimmeri on their arrival in Britain and amongst the Druids with references to Roman inscriptions and ancient British inscriptions (95- 6); brief notes on solemn days or festivals observed by Glamorgan bards and the bardic 'Round Table' of Morgannwg (113); an extract from a 'cywydd' attributed to William Cynwal ? illustrating certain bardic terms (115); an example of the bardic alphabet allegedly used by the Welsh bards (118-19); notes relating to the migrations of the Cymry and their coming to Britain ( 125); a brief note on the possible uses of inscribing on billets of wood, etc. (127); a list of ancient Welsh musical instruments ('offer cerdd oslef yr hen Gymry') extracted allegedly from 'an old imperfect MS. in Goetre Hen Library circa 1767 borrowed by John Bradford' (128); a note referring to the genuine poems of Taliesin and the spurious poems attributed to him, the writer disclaiming responsibility for including some of the latter in the 'Welsh Archaiology' stating that his main work in connection therewith had been 'travelling thro' Wales in search of old MSS.' (132 + 129); notes relating to 'coelbrenni rhin', 'coelfeini cyfrin', etc. (137-8); notes referring to the reintroduction of the bardic 'Dosparth y Ford Gron' into Wales from Brittany by Rhys ap Tewdwr, a meeting ? in 1075 between Rhys and Iestyn ap Gwrgan for this purpose and ? to organise the order of Welsh bards and musicians, a further meeting between the two in 1077 leading to a quarrel concerning Nest, wife of Iestyn, the coming of Robert fab Ammon and the Norman knights to Iestyn's aid, and their eventual conquest of his realm (139-41); a suggestion relating to 'Y Bardd Glas o'r Gadair' and 'cynghanedd' (142-3); notes relating to bardic ceremonial headed 'Dosparth y Ford Gronn' (149-51); notes relating to ? the proclaiming of 'eisteddfodau', etc. (161-2); a brief note on the 'bardd teulu' (163); a brief note relating to the intellectual state of the [early] Cymry (169); general remarks contrasting the poets of North and South Wales (170-71); notes relating to the fate of the souls and spirits of men after death (177-9); a note relating to the work of the 'Welsh bards as tutors' (181); an anecdote relating to Einigan Gawr and Menw ap y Teirgwaedd and the origin of knowledge (183); transcripts of two 'awdlau' attributed to Prolh o Gil Fai and Iorwerth Llwyd ap y Gargam, stanzas attributed to Gwalchmai ap Meilir, and unattributed verse (187-97); extracts from [Edward Davies's series of 'Letters on Celtic Literature to Mr. Justice Harding previous to the publication of The Celtic Researches'] with occasional comments [by Edward Williams] (205-11); (continued)

A transcript of three of the old Welsh 'englynion' usually designated 'englynion y Juvencus' with a version in modern orthography [all probably transcribed from Edward Lhuyd: Archaeologia Britannica, p. 221] (212); copies of two 'englynion' by [Edward Williams] 'Iolo Morganwg' himself (215); extracts relating to the early Cimbrians or Kimmeri and their connection with Thrace (223); miscellaneous extracts from Welsh verse (225-6, 239-40); a list of titles headed 'Odes by E. Wins.' (232); an agricultural note headed 'Irish Course of Culture' (233); a list of personal names headed 'July 28th Bath. Poems delivered to' (234); a list of Welsh phrases headed 'Phrases in common use in Glamorgan & also amongst the Persians and other Mahometans' (249-50); two lists of Welsh triads the first headed 'Dewisolion o Drioed[d] Cerdd Iaco ap Dewi gerllaw dechreu Llyfr Mr. Thos. Evans o Frechfa', and the second 'Trioedd gweddus ar ddyn & ex idem (Dewisolion)' (273-6); extracts by [Edward Williams] 'Iolo Morganwg' from one of Lewis Morris's manuscripts called Prif Ancwyn Gorhoff' being No. 43 of the Welsh School Manuscript Collection in London including a version of the statute for Welsh bards and musicians attributed to Gruffydd ab Cynan ('Statud y Gwyr wrth Gerdd o waith Gruffydd ab Cynan'), bardic triads, a list, with examples of some, of the twenty-four Welsh strict poetic metres, lists with headings such as 'Saith cas ar ferched', 'Chwe casbeth gan Dduw', and 'Cas gan hwsmon bum peth', etc. (277-93; this manuscript numbered 43 was one of the manuscripts listed as missing from the Welsh School Collection when it was presented to the British Museum in 1844, see B. M. Additional MS 14955); a list of Welsh triads headed 'Dewisolion o Drioedd gweddus eu dysgu Iaco ab Dewi (Ll. Th. Evans)' (294-6); a copy of a proclamation that a 'Cadair wrth Gerdd Dafawd' would be held 'ar dwyn y Bettws yn Nhir Iarll' in 18[?2]1 (301); extracts from the preface to Thomas Jones: [An] English [and] Welsh Dictionary, 1811, with a comment by E[dward] W[illiams] (304-05); a list of eleven Glamorgan river-names ('enwau nentydd ag afonydd Morganwg') (312); historical notes relating to Welsh poetry including notes on the 'Silurian School', 'a monster to whom we may apply the appellation of the School of Carmarthen . . . engendered between the false Taste of Dafydd ap Edmund and the ignorance of Gruffudd ap Nicolas', the establishing of the Carmarthen school in North Wales and its duration for two centuries, the decline of the said school and the emergence of a new school with the coming of bards such as Hugh Morris, Edward Morys, etc., the attempts of the Gwyneddigion Society to revive the Carmarthen school in North Wales, the song-writing tradition in South Wales, and Richard Hughes, the sixteenth century Caernarvonshire poet, described as 'the oldest song writer of undoubted authenticity' [in North Wales] (313-14, 311-12); horticultural and agricultural notes giving instructions what to do in each month of the year (324, 321-3, 326, 319-20 ); and notes headed 'Llyma'r ddosparth a wnaeth y Brenin Arthur ar gadw achau a chof am fonhedd Cynhenid Cenedl y Cymry' (328-9). Some of the notes are written on the verso or margins of an incomplete copy of a pamphlet announcing a literary competition (composing a 'cywydd') organised by the Gwyneddigion in 1822, a ? holograph letter from William Williams from Cowbridge to Mr. Williams, Geilston, 1806 (requesting assistance in 'taking estimat of the work unfinis'd at the bridwell'), and copies of a pamphlet announcing the printing of Edward Williams's two volumes of English poems entitled Poems Lyric and Pastoral. Inset is a printed copy of a circular letter from Thomas Stephens as honorary secretary of the Merthyr Cymreigyddion Society, 184 . . ., announcing the society's intention of holding an eisteddfod on (blank), stating what the objectives of the society were, and asking for subscriptions.

Cyfrol yn cynnwys barddoniaeth Gymraeg a chynghorion meddygol a ddangoswyd, yn ôl nodyn (f. 63 verso) gan John Jones (Jac Glanygors), i John Edwards (Siôn Ceiriog) yn Llundain, 11 Gorffennaf 1790. = A volume containing poetry in Welsh and medical recipes shown, according to a note (f. 63 verso) by John Jones (Jac Glanygors), to John Edwards (Siôn Ceiriog) in London, 11 July 1790.
Mae'r gyfrol yn cynnwys cywyddau ac englynion o'r 16 gan. hyd at 18 gan., gan gynnwys gweithiau Gruffydd ap Ieuan ap Llywelyn Fychan, 'Syr' Dafydd Owain, Siôn Tudur, Simwnt Fychan, Thomas Prys o Blas Iolyn, William Phylip, ac Ellis Rowland o Harlech (ff. 1-41), ac englynion Saesneg (f. 1 verso); ceir rysáit llawfeddygol ar f. 7, cynghorion meddygol rhwng ff. 41 verso a 63 verso, a nodyn, 28 Gorffennaf 1790, gan David Samwell (Dafydd Ddu Feddyg) ar f. 64; fe nodir rhai o'r cerddi a'r ryseitiau ar dudalen gynnwys (f. 66 verso). = The volume comprises 'cywyddau' and 'englynion' from 16 cent. to 18 cent., including the works of Gruffydd ap Ieuan ap Llywelyn Fychan, 'Syr' Dafydd Owain, Siôn Tudur, Simwnt Fychan, Thomas Prys of Plas Iolyn, William Phylip, and Ellis Rowland of Harlech (ff. 1-41), and English poetry written in the 'englyn' metre (f. 1 verso); a veterinary recipe is included on f. 7, medical recipes between ff. 41 verso and 63 verso, and a note, 28 July 1790, by David Samwell (Dafydd Ddu Feddyg) on f. 64; some of the poetic works and recipes are listed in a contents' page (f. 66 verso).

A volume of Welsh poetry mostly in the hand of Humphrey Davies (Wmffre Dafis), [vicar of Darowen], contining copies of cywyddau and awdlau by well-known and less known poets from the early fourteenth century to the early seventeenth century (pp. 25-492). Some poets are well represented, especially Ieuan Tew, Sion Keri and Huw Arwystl.
Twelve folios at the beginning (pp. 1-24), as well as six (formerly loose) folios at the end (pp. 493-504) are in the hand of Evan Lloyd of Blayn glyn, a former owner of the volume. These include a copy of a version of the dialogue between Hadrian and Epictetus, beginning: 'llyma ymddiddanion Rhwng adram [sic] emerodr Rhufein ag Epig y ddav wr calla yn y bvd', which differs greatly from the text found in Llyfr Yr Angkr and the Hengwrt MSS (pp. 3-7). Two other leaves (now bound in at the end of the volume), one bearing a Welsh poem in free metre (pp. 505-506) and the other an assessment of Derwen parish, [Denbighshire] (pp. 507-508), do not seem to belong to this volume.

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

A volume containing forty-three odes composed and written by Wiliam Kynwal between 1567 and 1576 (ff. vii verso, 1-93). He began the manuscript at Cerrig Ellgwm 'yn fy siambr vy hun yngheric Ellgwm y trydydd dydd o vis mai o vewn yssbyty dol gynwal a duw a wyr na wnn pwy na[c] ym ha le y gorffennir ef' (ff. v verso-vi). The odes are headed by the arms of the persons addressed, except in the case of the odlau merched, in which quaint sketches of women are substituted.
Also included are a prologue (ff. 5-6) and an incomplete table of contents (f. 6 recto-verso). At the end of the manuscript there is a rough copy of an ode by Huw Machno (ff. 95-96), who has also written some notes on the folios at the beginning (ff. i-iv).

Notes in the hand of Chancellor Wynne, comprising notes on Anglesey and on Welsh genealogies (pp. 1-8); a genealogical table of the pedigree of Edward Wynn of Bodewryd (pp. 9-15); abstracts of deeds relating to Bodewryd and Tyndryvol, and copies of papers relating to lawsuits (pp. 17-90); some memoirs relating to Chwaen wen and Bodowir (pp. 91-98); and biographical notes of some members of the Bodewryd family (pp. 99, 107-110).
Also included is a copy, in the hand of Hugh Hughes, of a cywydd, 'Marwnad Dd. ap Rhees ap Lle'n ap Gr. Tad Hugh Gwynn Bodewryd a Phirse Llwyd Gwredog' by Sion B[rwynog] (pp. 15-16).

A collection of Welsh strict-metre poetry of the fourteenth, fifteenth and sixteenth centuries, including works by Ieuan Gethin ab Ieuan ap Lleision, Iolo Goch, Lewys Mon, Tudur Aled, Hywel Cilan, Gutun Owain, Guto'r Glyn, Ieuan ap Tudur Penllyn, Dafydd Llwyd o Fathafarn, Rhys Pennardd, Tudur Penllyn, Morus ap Hywel ap Tudur, Deio ab Ieuan Ddu, Gruffudd Hiraethog, Rhys o'r Hengaer, Wiliam Cynwal, Edward Brwynllys, Dafydd Nanmor, Sion Ceri, Huw Arwystl, Dafydd ap Siancyn ap Dafydd ap y Crach, Wiliam Llŷn, Rhys Cain, Rhisiart ap Hywel ap Dafydd ab Einion, Hywel Rheinallt, Gruffudd Llwyd ap Dafydd ab Einion Llygliw, Sion Tudur and Tomas Derllys. A cursory examination of the items included in the manuscript suggests that about ten of the poems are not recorded in other manuscripts. The volume is written in several hands of the late sixteenth century including those of Simwnt Fychan (ff. 73-75) and Wiliam Cynwal (ff. 79-81), two of the bardic pupils of Gruffudd Hiraethog, and also the hand of Rhys Cain, the herald bard of Oswestry, who was a pupil of Wiliam Llŷn, another of Gruffudd Hiraethog's pupils (ff. 4-6 verso, 101 verso-148 verso).