A composite volume consisting of previously separate, home-made booklets containing material in the hand of Edward Williams ('Iolo Morganwg') bound into one volume). P. 11 (probably the 'title-page' of the section now paginated 13-100) is inscribed 'General View of the Agriculture of the County of Glamorgan, 1796', and is followed (pp. 13-100) by an incomplete essay on the said county [by Edward Williams]. This essay contains four chapters with sectional sub-headings 'Situation, Extent, etc.', '[Divisions and] Market Towns', 'Climate', 'Soil and Surface', 'Minerals', 'Water' (rivers, springs), 'State of Property' (mode of tenure, a list of the principal landholders), 'Buildings' (building materials, a list of the seats of landed gentry, a description of a typical farmhouse, outbuildings, cottages, etc.), 'Size of farms and character of farmers', 'Rent', and 'Tithes'. P. 101 bears the inscription 'Antiquities of Lantwit Major in the County of Glamorgan. Collected from various Documents. By Edward Williams. 1800', and is followed (pp. 105-39) by material relating to St. Illtud and the monastery and monastic school at Llanilltud, descriptions of inscribed stones at Llanilltud, and details of a twelve- point plan for setting up a committee and employing salaried research workers to supervise and undertake research for a history of the county of Glamorgan. A good deal of the material relating to Llanilltud is allegedly taken from an account compiled by the Reverend David Nichols, M.A., in 1729, and the whole of the contents of pp. 105-39 is presented in the form of a letter [from Edward Williams] to David Thomas, esqr., at Bath, 20 October 1798 (see IM, t. 307). P. 165 is inscribed 'Collection for the History of Dunraven, 1814', and is followed (pp. 169-87) by miscellaneous historical, pseudo-historical, and genealogical material relating to Dunraven Castle [co. Glamorgan] and its owners, and to Bran Vendigaid ap Llyr and his son Caradog (Caractacus) both of whom allegedly resided at Dunraven, (p. 188) an outline scheme or chapter headings for a proposed history of Dunraven Castle, and (on two unnumbered leaves between p. 188 and p. 189) a copy of a letter, ? 2 February 1818, from [Edward Williams] from Keven Cribor [co. Glamorgan], to Mrs. Wyndham of Dunraven Castle relating to the writer's research work concerning the said seat and the notes he was forwarding. Pp. 211-17 contain an incomplete copy of 'An Account of the cause of the conquest of Glamorgan by Sir Robert Fitz Haymon and his twelve Knights by Sir Edward Mansell of Margam, Knight' (for this and a fuller 'account' attributed to the same author in NLW MS 13161A (Llanover C. 74) see TLLM, tt. 200-03). P. 251 is inscribed 'List of Sheriffs and Und[er]sheriffs For the County of Glamorgan From the year 1541 To the year (blank) From a MS. in the Possession of the Revd. Mr. Davies of Wenvoe . . . 1808', and is followed ( pp. 255-71) by the said list for the period 1541-1808. Other items in the volume include extracts from a biographical dictionary (1798) relating to the English poet John Gower, Robert of Gloucester (temp. Henry II), and [Thomas] Sternhold (ob. 1549) (pp. 155-6); further notes relating to Dunraven Castle (p. 190); an extract from a letter from W. Davies to O. Jones, 1792 (p. 195); anecdotes relating to the brothers Richard and William Twrch and the building of a porch at Bewper [co. Glamorgan] (see also NLW MSS 13089E, 13103B, and IM, tt. 272-3) (pp. 205-07); a list of 'Castles in Gower' (p. 232); notes on birds (unnumbered leaf between p. 232 and p. 233); a note on the construction of a wheelbarrow (p. 233); a copy of an 'englyn' by [Edward Williams] 'Iolo Morganwg', etc. (p. 234); a copy of the inscription on the tomb of Edward Pritchard, rector of Flimnston (sic) [co. Glamorgan], ob. 1742, and his wife Margaret, ob. 1707/08, in Trefemin (Flemingston) church (p. 235); notes on Caer Fule, a Roman fortification near St. Olave's Church, Newport, and Trefela, a village in the parish of Llangwm near Usk (p. 236); a note on the rocks in Glam[organshire] (p. 237); copies of an 'englyn' and a six-line stanza of Welsh verse by [Edward Williams] 'Iolo Morganwg' (p. 238); brief notes referring to Jenkin Jones of Llangyfelach, 'minister of a Catabaptistical Congregation circa anno 1649', [William] Erbury, Walter Caradoc, Samuel Jones of Bryn Llywarch, and Morgan Llwyd (p. 239); a note on Huw Spencer, the younger, and his building activities in Glamorgan, ? temp. Edward II (p. 240); a list of Welsh superstitions ('Ofergoelion Gwlad Gymru') (p. 242 ); and notes on an outbreak of plague at Drenewydd Notais (Newton Nottage) [co. Glamorgan], circa 1620-1630 (p. 243).

Papurau o eiddo, ac yn ymwneud â William Rhys Jones ('Gwenith Gwyn'), 1750-1947, y cyfan bron yn ei law ei hun, yn cynnwys: nodiadau ar hanes lleol yng Nghymru, enwau lleoedd, llên gwerin, a hynafiaethau (yn cynnwys cryn deunydd, ar ffurf nodiadau, traethodau, anerchiadau, adysgrifiadau, a thorion o'r wasg, ar gymeriadau, traddodiadau, a chymdeithasau hanesyddol, llenyddol a diwydiannol Dyffryn Ceiriog, Morgannwg, Maldwyn, Ceredigion ac Arfon); deunydd crefyddol (pregethau a nodiadau pregethau, traethodau ac anerchiadau ar yr Eglwys Gristnogol ac ar wahanol agweddau ar ei gweinidogaeth; papurau'n delio ag enwad y Bedyddwyr yng Nghymru, yn enwedig ym Morgannwg; nodiadau ar destunau Beiblaidd; nodiadau, anerchiadau coffa, a deunydd bywgraffiadol ar amrywiol gymeriadau crefyddol, Cymry yn bennaf; a geiriadur o dermau Beiblaidd a ddefnyddiwyd yng nghapeli Anghydffurfiol Cymru); cyfansoddiadau llenyddol (yn cynnwys barddoniaeth, storiâu byrion, nofelau, a dramâu, mewn drafft ac yn orffenedig; a darlithoedd, nodiadau a thraethodau ar bynciau llenyddol, hanesyddol, gwleidyddol, a chymdeithasegol); nodiadau ar anthropoleg, ethnoleg, pensaernïaeth a daeareg, yn cynnwys geiriadur Cymraeg-Saesneg o dermau daearegol; y diwydiant llechi yng Nghymru; deunydd ar ramadeg a statws gwleidyddol yr iaith Gymraeg; nodiadau ar wahanol ieithoedd estron a thafodieithoedd, yn cynnwys iaith y Beibl; deunydd bywgraffyddol yn ymwneud â Gwenith Gwyn a'i wraig, 1885-1937; catalog o lyfrau yn ei lyfrgell; torion o'r wasg,1922-1928; a llyfrau lloffion, yn ogystal ag erthygl papur newydd amdano gan y Parch. W. J. Rhys, Abertawe,1947); ei gopïau o weithiau printiedig, 1750-[20fed ganrif]; a deunydd, printiedig neu fel arall, a ysgrifennwyd gan bobl heblaw Gwenith Gwyn = Papers of and relating to William Rhys Jones ('Gwenith Gwyn'), 1750-1947, nearly all of which are in his own hand, comprising: notes on Welsh local history, place-names, folk culture, and antiquities (including considerable material, in the form of notes, essays, addresses, transcripts, and press cuttings, on the personalities, traditions, and historical, literary and industrial associations of Dyffryn Ceiriog, Glamorgan, Maldwyn, Ceredigion and Arfon); religious material (sermons and sermon notes, essays and addresses on the Christian Church and on various aspects of its ministry; papers dealing with the Baptist denomination in Wales, particularly in Glamorgan; notes on Biblical texts; notes, in memoriam addresses, and biographical material on various religious personalities, mainly Welsh; and a dictionary of Biblical terms used in Nonconformist chapels in Wales); literary compositions (comprising poetry, short stories, novels, and plays, in both draft and final form; and lectures, notes, and essays on literary, historical, political, and sociological topics); notes on anthropology, ethnology, architecture and geology, including an English-Welsh dictionary of geological terms; the Welsh quarrying industry; material on the grammar and political status of the Welsh language; notes on various foreign languages and dialects, including Biblical tongues; biographical material relating to both Gwenith Gwyn and his wife (including bills and receipts; diaries for 1923, 1936, and 1937; letters received, 1885-1937; a catalogue of books in his library; press cuttings, 1922-1928; and scrap-books, as well as a newspaper article about him by Rev. W. J. Rhys, Swansea, 1947); his copies of printed works, 1750-[20th cent.]; and material, printed or otherwise, written by persons other than Gwenith Gwyn.

Casgliad bychan o bapurau ychwanegol gan gynnwys llyfrau nodiadau. Nid yw'r rhain wedi eu catalogio eto.

Papurau Pennar Davies, 1913-1999, yn cynnwys copïau teipysgrif o'i weithiau llenyddol, ynghyd â phapurau academaidd a phapurau llenyddol.

Papurau'r Parch James Ednyfed Rhys (Ap Nathan), a phapurau'r unigolion canlynol a ddaeth i'w feddiant: y Parch. Evan Rees (Dyfed), Jonathan Rees (Nathan Wyn), David Watkin Jones (Dafydd Morganwg) a Thomas Jones, Trealaw. Mae papurau Ap Nathan, 1901-1959, yn cynnwys cerddi a chaneuon, ysgrifau a chyfieithiadau; papurau Dyfed, 1869-1923, yn cynnwys llythyrau, nifer ohonynt o bwysigion llenyddiaeth Cymru, 1878-1923, dyddiaduron a llyfrau poced, 1873-1896, beirniadaethau eisteddfodau, 1887-1907, nodiadau darlithoedd a phregethau, a barddoniaeth, 1869-1899; papurau Nathan Wyn, 1874-1905, yn cynnwys llythyrau, 1874-1905, cerddi ac ysgrifau, 1883-1901, torion o'r wasg ar bynciau llenyddol, 1868-1900; papurau Thomas Thomas, 1900-[c. 1935], yn cynnwys llawysgrifau ar lên gwerin ac arferion, hanes Morgannwg, 1921-1933, y Wenhwyseg, enwau lleoedd Morgannwg, [c. 1893]-1931, a thorion o'r wasg, 1900-1911; a phapurau Dafydd Morganwg, yn cynnwys ei hunangofiant. = Papers of the Rev. James Ednyfed Rhys (Ap Nathan), and papers of the following acquired by him: the Rev. Evan Rees (Dyfed), Jonathan Rees (Nathan Wyn), David Watkin Jones (Dafydd Morganwg), a poet and historian from Merthyr Tydfil, Glamorgan, and Thomas Jones, antiquary and headmaster of Trealaw school in Rhondda, Glamorgan, whose interests included local history and folklore. The papers of Ap Nathan, 1901-1959, include poems and songs, essays and translations; the papers of Dyfed, 1869-1923, include letters, many from important Welsh literary figures, 1878-1923, diaries and pocket books, 1873-1896, eisteddfod adjudications, 1887-1907, lecture notes and sermons, and poetry, 1869-1899; the papers of Nathan Wyn, 1874-1905, include letters, 1874-1905, poetry and essays, 1883-1901, newspaper cuttings of literary material, 1868-1900; the papers of Thomas Jones, 1900-[c. 1935], include manuscripts on folklore and customs, Glamorgan history, 1921-1933, the Gwentian dialect, Glamorgan place names, [c. 1893]-1931, and newspaper cuttings, 1900-1911; and the papers of Dafydd Morganwg, historian and poet, including his autobiography.