A composite manuscript volume lettered on the spine 'MSS. Collections Relative to Wales, II', being a companion volume to, and a continuation of, NLW MS 6209E, which is also a composite manuscript (sections numbered I-XIII) bound in a similar manner and lettered on the spine 'MSS. Collections Relative to Wales, I'. It appears that the two volumes originally formed one folio manuscript belonging to Edward Lhuyd made up of transcripts by his assistants, contributions by Henry Rowlands and Hugh Thomas, and fragments of earlier manuscripts (see pp. 14-15 of NLW MS 13918F, 'Catalogue of Welsh M.S.S. in Beechwood Library by the Reverend Mr John Jones [?1746-1827] M.A. Fellow of Jesus College Oxon, 1781', i.e. part of the Sebright collection. The contents include: pp. 1-38 (XIV), a copy of [George Owen's] 'Treatise of Lordshipps Marchers in Wales . . .' from a 'MS. Borrowed of Mr. Will. Jones, Rector of Lhangower. . .'; 39-100 + 207-08 (misplaced) (XV-XVI), transcripts of Welsh poems attributed to William Phylip, Ievan Ddu'r Bilwg, H'l ap D'dh ap Ievan ap Rhys, Howel Davi, Bedo Brwynllys, Gytto'r Glyn, Ievan Deulwyn, Rhys Lhwyd ap Rys ap Rhiccard, Lewis Glynn Kothi, Gwilym ab Ievan Hen, Davydd ap Howel, D'd Lhwyd ap Lle'n ap Gr., Ieuan ap Ho'll Swrdwal, Davydd Epynt, Lewys Môn, Edward Urien, Gyttyn Owain, Ierwerth Beli, Bleddyn Vardd, Llygat Gwr, Meilir Brydydd, Llywelyn ap Ho'll, Prydydd y Moch, Gwalchmai, Symwnt Vychan, Iolo Goch, Syppyn Kyfeiliog, Tudur Aled, Deio ab Ivan Ddu, Rhys Goch o'r Yri, Llywelyn Moel o'r Pantri, Ivan Tudyr Penllyn, Ievan Brydydd Hir and Tudyr Penllyn, and of prose items with the superscriptions 'Llythyr i ofyn Rhwyd berked', ['Y Tri Thlws ar Ddeg'], 'Dewis Bethau Howel Lygad Gwr', 'Y Pedwar Marchog ar Hugain oedd yn Llys Arthur', 'Ymadrodd yr Henwr', 'Breuddwyd Ivan ab Adda ab Davydd . . .', 'Breuddwyd Ierwerth ab Adda ab D'd', and 'Llythyr i ofyn palffon', partly from manuscripts in the possession of John Lloyd of Aber Llyveni; 101-40 (XVII), transcripts of Welsh prose and verse items, mainly vaticinatory, attributed to Taliessin, Robin Ddy, Gryffydh ap Ieuan, Rhys Nanmor, Merdhyn, Adha Vras, Hinin Vardh, Ie'nn Drwch y Daran, D'd Nanmor, and Davydh Lhwyd; 141-206 (XVIII), transcripts of Welsh verse and prose items, again mainly vaticinatory, attributed to Taliesin, Merdhyn Wylht, Iolo Goch, Davydh Llwyd, Merdhyn Emrys, Adha Vras, Ievan Trwch y Daran, Davydh Nanmor, Ie'nn Hir, Lh. ap Owen, Meredydh ap Rhys, Rhys Goch o'r Yri, Lewys Glynn Kothi, Raph ap Robert, and Bardh Bergam; 213-35 (XIX), genealogical and historical material including genealogies of Welsh saints , '. . . hiachau [sic] pump brenhin llwyth Kymru', '. . . Iachau [sic] pymthek llwyth Gwynedd', a list of the daughters of Ronow Llwyd ap y Penwyn', etc.; 239-54 (XX), a copy, 'transcrib'd from ye original at Owlberry near Bishops Castle, Anno 1698', of an inspeximus and confirmation, 4 March [?1508], of charters granted to the abbey of Strata Florida (see S. W. Williams: The Cistercian Abbey of Strata Florida (London, 1889), Appendix, pp. lxxiv-lxxv, and Calendar of Patent Rolls, Henry VII, vol. II, p. 567); 257-66 (XXI), transcripts of Welsh poems attributed to Prydydd y Moch, Gr. Lloyd ap D'd ap Einion, D'd Nanmor, D'd ap Gwilym, Guto'r Glynn, Kynddelw, Ievan Du y Bilwc, Bleddyn Vardd, Rys Goch or Eryri, Daniel ap Llosgwrn Mew, and Gwalchmai, from '. . . Cod. MS. Mod. in Chart. penes Dominum Rob't Pugh de Kevn y Garlheg in paroch. Lhan St. ffraid apud Denbigh'; 267-70 (XXII), 'Addenda Grammaticae D.J.J. ex Libro MS. D. R. V. penes D. R. P.'; 271-9 (XXIII), transcripts 'Ex Cod. Chart. penes D. Joan Lloyd de Aber Lhyveni' of Welsh poems attributed to Lewys Glynn Kothi, Gwilim ap Ie'nn Hen, Ievan ap Tydyr Penlhyn, Lhewelyn Goch ap Meirig Hen, and Tydyr Aled; 283-305 (XXIV), transcripts of (a) 'Ystori Gryffydd ap Cynan Brenin Gwynedd' from 'Cod. M.to Chart. pe[nes] Dom. R. Davies de Lhan[erch] convenit cum cod. antiquo me . . . penes D. Jo. Wyn . . ., Watstay', (b) 'Interdictio Papae adversus Lewelinum . . . fillium Ierwerth . . .', and (c) 'Literae Lewelini Principis Walliae ad Clerum Angliae apud London Convocatum', 1275; 307-11 (XXV), transcripts of 'cywyddau ymryson' exchanged between Owen Gwynedd and William Llyn; (continued)

315-400 ( XXVI), a copy of a Welsh-Latin vocabulary entitled 'Geiria Tavod Comroig. Hoc est Vocabularium Linguae Gomeritanae . . .' compiled by Henry Salesbury, with a list of the authors on whose works the vocabulary was based, and a list of 'Geiriau o Hen Gymraeg a'i Deongliad', etc., by the same author; 403-04 (XXVII), an incomplete copy of 'Braint ac Ystatus Griff. ap Kynan a Bleddyn ap Kynvyn'; 405-06 (XXVIII), a version of the prologue to, and a list of the court officials listed in, a Latin text of the Laws of Howel Dda; 409-65 (XXIX-XXX), a transcript of sections of the 'Red Book of St. Asaph' (see also Peniarth MS 231, NLW MS 7011D, MS SA/MB/2); 469-86 (XXXI), a copy of the 'Statutes of the Cathedrall Church of . . . Chester set forth by . . . Henrie the 8'; 489-505 (XXXII), extracts [from a version of Nennius' 'Historia Britonum']; 509-38 (XXXIII), seventeen chapters (Welsh) of pseudo-history and description of the Isle of Britain, supplementary notes on place-names, the wonders of Scotland and Ireland, and the conversion of the nations of Britain to Christianity, and a list of 'yr naw helwrieth'; 539-40 (XXXIV), lists of, and notes on, Welsh musical measures; 541-55 (XXXV-XXXVI), a list of Welsh triads ('Llyma drioedh mab y krinwas'), accounts of 'redditus assisus' of the vills of Colshull, Eulowe, Baghegr, and Rothelan, a list of the 'Consuetudines Molend' de Dee' from 'an old book of Ed'd Whitby, recorder of Chester', a list of those who rendered 'Homage and Fealty . . . to ye Prince of Wales', 29 Edward I, etc.; 557-63 (XXXVII), two lists headed 'A table for ye rest of ye contents of this book' and 'A table belonging to Coch Assaph' (for the contents of sections XXXI-XXXVII cf. the relevant parts of NLW MS 7011D); 569-95 (XXXVIII), replies [by Henry Rowlands to Edward Lhuyd's] parochial questionnaire in respect of the parishes of Llanidan, Llanedwen, Llanddeniel, Llanvair pull gwingill, and Llandysilio, co. Anglesey, partly in Rowlands's own hand; 597-9 (XXXIX), an account of 'A strange showre of Haile fallen in Anglesey and Carnarvonshire' in 1697; 601-05 (XL), extracts (Latin) with the superscription 'De Belli Marisci Origine . . .'; 607-09 (XXXVIII misplaced), notes on the words 'bod', 'caer', 'tref', etc. (pp. 597-609 probably in the hand of Henry Rowlands); 611-22 (XLI), 'A scheme of the wind and weather att Llanberis', 1 March [16]9[6] to 28 February [1697]; 623-52 (XLII), pedigrees of families in cos. Denbigh and Flint in the hand of Lewis Dwnn (described by J. Gwenogvryn Evans as a detached portion of Peniarth MS 268; see J. Gwenogvryn Evans MS 70A in the National Library of Wales, also Report on Manuscripts in the Welsh Language, vol. I, p. 1090); and 653-97 (XLIII), a copy, partly holograph, of an essay on 'The Parish of St. John Evangelist and Burrough of Brecknock' by Hugh Thomas (cf. NLW MS 777B). Holograph notes by Evan Evans ('Ieuan Fardd') on NLW MS 6209E and this volume, compositely described as MS I in the 'Seabright Collection, being Edward Lhuyd's MSS', appear in Panton MS 7 (NLW MS 1976) (see Report on Manuscripts in the Welsh Language, vol. II, p. 807 and a calendar description by J. Gwenogvryn Evans of this volume alone, described as the 'Nanhoron MS', is included in J. Gwenogvryn Evans MS 70A.

Miscellaneous papers in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. The contents (notes, extracts, lists, jottings, transcripts, etc.) are extremely varied and cover a multiplicity of topics. Included are notes or lists with the superscriptions 'Deg Rhan ymadrodd' (38), 'Llyma gof a son am gadeiriau prydyddion Morganwg a chof amcan eu hamserau' (72-3), 'Anecdotes of Merthyr' (83-4), 'Customs in Glam[organ]' (86-7), 'Rhywiau cerdd dafod parth arbenigrwyd[d] ansodd' (113), 'Llafar Gorsedd B[eirdd] Y[nys] P[rydain] yng nghadair Morganwg' (128-30), 'Trees that will flourish near the sea' (249), 'Llyma enwau'r llefydd lle arferai Feirdd Morganwg gynnal eisteddfod a Chadair' (252), 'Trees to be intermixed with fruit trees in an orchard' (264), 'Proper trees to [be] planted in an orchard' (265), 'Enwau Cymreig ar afalau ym Morganwg' (266-72), 'Enwau Gellyg Ynghymraeg' ( 275-6), 'Enwau Eirin a Phlemys ym Morganwg' (277-8), 'The names of the Norman Peers of Glamorgan and the names of their Castles. . .' (293), '[Names of the] months [in] Armoric [and] Cornish' (313), 'Rhif Carennydd' ( 340), 'List of Publications on the inconsistency of War with the Christian Religion' with comments ? by Edward Williams on the church and war (363-70 ), 'Ex Old Vocabulary at Hafod' (388), 'Hints for the Dissertation on the Welsh Language' (389-?90), 'Llymma son am Eisteddfod Beirdd a Phrydyddion a fu ym Marchwiail ym Maelor' (mention of 'eisteddfodau' held at Gwern y Cleppa, Marchwiail, and Baglan) (396-8), and 'Cyfarwydd am Dri Brodyr Marchwial' (mention of the same three 'eisteddfodau') (398-400); notes, sometimes very brief, on 'cynghanedd' (34), early Christianity in Britain ( 40), the use of the bardic alphabet amongst the Welsh for teaching purposes temp. Henry IV (42), the 'chair of Tir Iarll' (69 + 71), the original home of the Cymmry, i.e. Defrobani (119), weather conditions in March 1811 (175), the Welsh language (181-2), Pythagoras (188), 'englynion' (189), the Essenes (197), Druids (197), Druids and bards amongst the Celtic peoples (207-13), materials used as writing surfaces in ancient and medieval times with mention of a few medieval libraries (213-15), the Druids of Britain and Gaul (216-33), mortar making, garden terracing, and fruit planting (245-6), Welsh culinary recipes (247-9), brick making (254), the growing of trees and fruit near the coast in Glamorgan (262-3), Welsh metrical measures (279), Castletown house [co. Glamorgan] (283), the family of Berkrolles (302), and 'y Ford Gronn' (401); transcripts of Welsh poems including 'cywyddau' attributed to Dafydd ap Edmwnd and Gruff. ab Ifan ab Llywelyn Fychan, an incomplete poem (stanzas 1 and part of 2 missing) attributed to Thos. Llen. o Regoes, and part of a 'cywydd' attributed to Dafydd Alaw (95-109), a 'cywydd' attributed to Siôn Dafydd Rhys (255-6), and an 'englyn' attributed to Daf. Llwyd Bryn Llyfrith (309); transcripts of English verse including ? a translation from the Welsh with the superscription 'A prophecy by Thomas ap Evan ap Rhys in the time of Edw[ar]d the VI' (47-8), twenty-two stanzas entitled 'The Welsh Batchelor' s wish' attributed to the Revd. Mr. Christ. Roberts of St. Athan (289-92), and ten stanzas ? from . . . Bulmer: Pleasantness of Religion (307); miscellaneous items including miscellaneous triads (151-4), ? a draft of a title-page for an anthology of Welsh verse to be called Y Bardd Teulu (147 ), a draft of a prefatory letter, 1796, by Edward Williams to a proposed volume containing an anthology of Welsh prose and verse items, material relating to Welsh bardism, etc. (157-8), an incomplete triad re the 'bardd teulu' (196), a plan of the layout of a dwelling house with orchards, kitchen gardens, fruit gardens, etc. (274), historical anecdotes relating to the lordship and county of Glamorgan reputedly from a manuscript 'of the late William Roberts of St. Athan' (293-8), a list, with examples, of twenty classical metrical feet (306), a genealogical table showing descendants of Iestin, lord of Morgannwg (415-16), biographical notes on members of the Stradling family to the late sixteenth century ? from [ British Museum] Harleian MS 368 (417-22), and a plan of a stone circle 'at Field Marshal Conway's . . . near Henly upon Thames' (429); and extracts from a variety of printed sources including Cambrian, March 1819 ( Welsh speaking Indians) (131), The Monthly Review, February 1819 (132 + 134), the works of [Isaac] Watts (135-?43), . . . Priestley: Tablet of Memory (159-?74), Cambrian, September 1819 (a proposal 'to obtain an Act of Parliament for making and maintaining a Pier and Harbour at Newton in the Parish of Newton Nottage [co. Glamorgan]', etc. (281), [W. Wotton: Cyfreithjeu Hywel Dda . . ., London, 1730] (relating mainly to the Welsh bards) (343-52) and the Ecclesiastical Review, January 1817 (359-62). Interspersed throughout the volume are lists or groups of miscellaneous Welsh words sometimes with English definitions, proverbs, grammatical or etymological notes, poetic extracts, and other miscellanea. In some instances the blank verso or margins of the following have been utilised for writing notes - an undated holograph letter from Mr. Dunn from St. Athans to Ed. Williams, Flemingstone, re materials for the tomb of the writer's mother (in third person) (185-6, 199-200), copies of a printed circular, 16 August 1820, appealing for subscriptions towards the completion of a Unitarian chapel at Merthyr Tydfil, copies of a printed 'advertisement' and 'proposals' for publishing Edward Williams's two volumes of English verse Poems Lyric and Pastoral in 1792, a folded sheet containing a copy of a Welsh poem entitled 'Canwyll gogan y Cymru' attributed to 'Siôn ?Flay o Bentre'r Lai' (284-5, 300-01), a holograph letter, 30 September 1818, from G. Birley, Methodist Chapel, Cardiff, to Edw[ar]d Williams (forwarding a copy of the first volume of [John Hughes:] Horae Britannicae at the author's request) (315-16, 333-4), a copy of a printed circular, 6 December 1802, announcing literary competitions to be held under the auspices of the Gwyneddigion Society (320 + 329), and an undated holograph letter from Edward Williams to John Llewelyn, esq., Penlle'r Gaer [co. Glamorgan], concerning recipient's 'usual benefaction' to the writer (379-82).

Letters addressed to 'Cynddelw' by Morgan Lloyd (10 November 1868; invitation to speak at Holyhead in support of his candidature at the parliamentary election); and by D[avid] Howell ('Llawdden') to Dr Robert Ellis (8 November 1875, expressing willingness to adjudicate on the biographical essay on 'Cynddelw'); press cuttings: obituary notice of Fanny, daughter of Robert Ellis ('Cynddelw'), Ruthin; a letter by 'Cynddelw' to Y Wasg Americanaidd, 1875; a review of 'Cywydd y Berwyn'; and an account of Abraham Williams of Cwm Glas, Llanberis; handbills and posters: Denbighshire Election Result, 20 July 1852; 'Tysteb John Evans, Abercanaid', 1867; 'Eisteddfod Iforiaid Llanelli', 1867 (programme); North Wales Baptist College, 1870 (agenda); Caernarfon Eisteddfod, 1862 (accounts); 'Yr hen Eglwys Brydeinig' - a lecture delivered at Caernarvon, 1873; Clwyd Bank College Report, 1874, and prospectuses of Cofiant Ellis Evans and Blodau Arfon (2nd ed.).

Notes by Robert Ellis of an address which he delivered to students of the Pontypool Baptist Academy, 19 May 1868, and lecture notes on 'Yr Hen Eglwys Brydeinig'.