Llyfr nodiadau, 1957-1976, yn eiddo i T. Llew Jones, a ddefnyddiwyd yn achlysurol fel dyddiadur rhwng Tachwedd 1957 a Mawrth 1963 (ff. 1-61), gyda chofnodion unigol ar gyfer 16 Mehefin 1971 a 16 Hydref 1976 (ff. 61 verso-66). Ceir adroddiad, Chwefror-Mawrth 1963, o restiad ac erlyniad Emyr Llewelyn, a gyhuddwyd o danio ffrwydryn yng Nghwm Tryweryn, Bala (ff. 50 verso-61, 63). = Notebook, 1957-1976, of T. Llew Jones, used sporadically as a diary between November 1957 and March 1963 (ff. 1-61), with single entries for 16 June 1971 and 16 October 1976 (ff. 61 verso-66). Included is an account, February-March 1963, of the arrest and prosecution of Emyr Llewelyn, accused of causing an explosion at Cwm Tryweryn, Bala (ff. 50 verso-61, 63).
Cynhwysa'r gyfrol gyfeiriadau at Waldo Williams (ff. 2-45 verso passim), a'i gystudd olaf a'i farwolaeth (ff. 61 verso-64), Gwenallt (ff. 6, 52 verso), Proinsias Mac Cana (f. 6 recto-verso), Saunders Lewis (ff. 7 recto-verso), Alun Cilie (ff. 15, 20 verso, 38 verso, 64 verso-65), Cassie Davies (f. 17), Dic Jones (ff. 20 verso, 22), John Alun Jones (ff. 22, 52 verso, 54), W. Rhys Nicholas (ff. 22, 60 verso), Euros Bowen (ff. 29 verso-30 verso), Bobi Jones (ff. 31, 52 verso), Dilwen M. Evans (f. 32 recto-verso), Dewi Emrys (f. 41 verso), W. R. P. George (ff. 51, 58), Gwilym Tudur (f. 56 verso-57), ac Elwyn Jones (ff. 59 verso-60 verso); ceir cyfeiriadau hefyd at gystadlaethau'r Gadair yn Eisteddfodau Cenedlaethol Glyn Ebwy, 1958 (ff. 3 verso-4, 9, 31 verso, 33 verso-36), a Chaernarfon, 1959 (ff. 39 verso-40 verso), sinema symudol yn Nhregroes (ff. 4 verso-5), Cymdeithas Lyfrau Ceredigion (f. 13 recto-verso), cyfarfod Plaid Cymru yn Aberaeron (f. 16 recto-verso), cyfarfod yr Urdd yn Llandysul (f. 17 verso), a barddoniaeth Gymraeg (ff. 29 verso-31).

Notebook, 1959-1961, of Caradog Prichard, poet and journalist, containing a fragment of a diary, in English, 3 November 1959-26 January 1960 (ff. 3-14 rectos); 'A Scheme For A Daily Newspaper In The Welsh Language' (ff. 16-18 rectos); notes for, and fragmentary draft of, Un Nos Ola Leuad (1961) (ff. 18v, 19-23 rectos, 61v); numerous drafts of poems, mainly of parts of 'Cân yr Hen' from his ode 'Cymru'; and miscellaneous notes and personal memoranda.

Correspondence, 1970-1977, accumulated by Meic Stephens in the course of editing Artists in Wales, volumes 1-3 (Llandysul, 1971-1977), from artists in the fields of literature, drama, music and the visual arts; letters, 1977-1978, from poets invited to contribute to Green Horse : an anthology by young poets of Wales edited by him (Swansea, 1978); letters, 1978-1979, relating to The Welsh Language Today (second edition, Llandysul, 1979); and correspondence, 1986-1987, between Meic Stephens and Lady Amy Parry-Williams relating to the former's translations into English of essays by T. H. Parry-Williams, published in The White Stone - six essays by T. H. Parry-Williams (Llandysul, 1987).

An additional consignment of the papers of Meic Stephens. This group remains uncatalogued.

Rhestri, gohebiaeth etc.; yn ymwneud ag aelodaeth, 1976-1979,1983-1987; gohebiaeth yn ymwneud â Barddas a chyhoeddiadau Barddas,1976-1986; gohebiaeth gyffredinol,1976-1978; a chylchlythyrau, adroddiadau a ffurflenni glân 1976-1978 = Lists, correspondence, etc., relating to membership, 1976-1979, 1983-1987; correspondence relating to Barddas and Barddas publications, 1976-1986; general correspondence, 1976-1978; and circulars, reports and unused forms, 1976-1978.

Deunydd yn ymwneud â'r flodeugerdd Tro'r Haul Arno (1982), gan gynnwys rhagair i'r gyfrol gan yr aelod seneddol Dafydd Elis Thomas a llythyr oddi wrth yr Athro John Rowlands ynghylch cyhoeddi ail-argraffiad o'r gyfrol.

Literary, family and business papers, 1732-1982, of Lewis Lewis ('Awenfab o Wynfe', 1837-1906), poet, of Gwynfe, Carmarthenshire, his son, Dr Ivor Lewis, St Asaph, and other members of his family, including drafts of poetry by Lewis Lewis; denominational diaries, 1848-1908; and letters, including correspondence, 1854-1947, between Lewis Lewis and relatives and friends in the United States and Canada.

Mae'r gyfres yn cynnwys llyfrau nodiadau o gerddi, emynau a nodiadau, 1862 - [1937], a nifer ohonynt yn cynnwys amgaeëdigion, un yn dyddio i 1964. Mae'r gyfres hefyd yn cynnwys amlen o gerddi yn cynnwys rhai cyfieithiadau o gerddi Robert Herrick, John Donne ac Andrew Marvell, heb eu dyddio, a saith pryddest eisteddfodol, [c. 1889] - [c. 1891].

Papurau Gerallt Jones,1902-1981, yn cynnwys yn bennaf copïau llawysgrif a theipysgrif o'i farddoniaeth a'i rhyddiaith,1937-1981, llawer ohonynt wedi'u cyflwyno i gystadlaethau yn y Genedlaethol ac eisteddfodau eraill, ynghyd â'i ohebiaeth,1952-1982, a hefyd deunydd yn ymwneud â theulu llenyddol 'Y Cilie', yn cynnwys barddoniaeth a rhyddiaith gan y Parch. Fred Jones,1902-1932, y Parch. Simon B. Jones, 1934-1955, ac aelodau eraill o'r teulu, yn ogystal â llythyrau a chardiau,1956-1970, oddi wrth Dafydd Isfoel Jones a Jac Alun Jones = Papers of Gerallt Jones, 1902-1981, consisting mainly of manuscript and typescript copies of his poetry and prose, 1937-1981, much of which was entered for competition at National and other eisteddfodau, together with his correspondence, 1952-1982, and also material relating to the literary family of 'Y Cilie', including poetry and prose by the Rev. Fred Jones, 1902-1932, the Rev. Simon B. Jones, 1934-1955, and other members of the family, as well as letters and cards, 1956-1970, from Dafydd Isfoel Jones and Jac Alun Jones.

Manuscript and typescript notes of lectures, addresses and articles, [c. 1940]-1960, by David James Jones ('Gwenallt') relating to his upbringing and the background to his poetry, Christianity and society, Communism, the decline of religion, the poet and Christianity, hymnology and hymnists, and aspects of poetry and literary appreciation.

Papers relating to Henry Davies ('Abon'), 1884-1932, including poems, [c.1884]-1932; and letters and cards, 1895-1904.

A notebook (MS 22861iB) mainly containing pasted-in newspaper cuttings of poems in Welsh by David Morgan ('Cerddwyson', 1862-1935), Merthyr Tudful, composed between 1900 and 1929, with manuscript additions. Items found loose inside the volume have been filed separately (MS 22861iiE); they comprise two pamphlets: the periodical Cenad Hedd for March 1910, which contains an article on Maggie Morgans, the poet's mother, and Lledu'r Gorwelion (Merthyr Tydfil, 1928), being the printed version of Cerddwyson's address to the Congregationalists of the North Glamorgan Association on his retirement as chairman in October 1927; together with two related newspaper cuttings, 1936-1991.

An essay on the free metre poetry of Rowland Williams ('Hwfa Môn') by J[ohn] T[homas] Job.

Papurau Eifion Wyn yn cynnwys copïau llawysgrif o'i gerddi, 1885-1925, rhai ohonynt wedi eu cyhoeddi yn Caniadau'r Allt (1927) ac O Drum i Draeth (1929); ei gyfieithiadau o farddoniaeth a rhyddiaith, 1906-1923; pregethau, emynau a chaneuon, [c.1914]-1921; cerddi gan eraill, 1889-1926; beirniadaethau cystadlaethau eisteddfodol, 1915-1925; llythyrau a gohebiaeth â llenorion, 1894-1926; llythyrau at ei wraig, 1922-1950; cofnodion cofrestru aelodau'r teulu, 1864-1941; tystysgrifau eisteddfodol, 1905-1924; deunydd printiedig,1908-1927; llyfrau, yn cynnwys gwaith gan Eifion Wyn, 1866-1930; dyddiaduron Eifion Wyn, 1919-1920; dyddiaduron ei dad Robert Williams, 1894-1900; a phapurau'n perthyn i'w ŵyr Penri Williams, 1926-[1980] = Papers of Eifion Wyn comprising manuscript copies of his poems, 1885-1925, some of which were published in Caniadau'r Allt (1927) and O Drum i Draeth (1929); translations by him of poetry and prose, 1906-1923; sermons, hymns and songs, [c. 1914]-1921; translations of his poetry by others, 1907-1924; poems addressed to him, 1919-1921; poems by others, 1889-1926; adjudications of eisteddfod competitions, 1915-1925; letters and correspondence with literary figures, 1894-1926; letters to his wife, 1922-1950; family civil registration records, 1864-1941; eisteddfod certificates, 1905-1924; printed matter, 1908-1927; books, including Eifion Wyn's works, 1866-1930; diaries of Eifion Wyn, 1919-1920, diaries of his father Robert Williams, 1894-1900; and papers belonging to his grandson Penri Williams, 1926-[1980].

Cerddi, 1933-[1990], gan gynnwys cyfrol o farddoniaeth a'r gerdd 'The Caprice', gan Marion Eames, 1933-1957; ynghyd â chopïau o gerddi gan feirdd eraill, gan gynnwys copïau llawysgrif o 'A'u gwelo, tros ei galon...' a 'Pe gwyddit ti pa beth wyf fi...' gan T. Gwynn Jones, a 'Deuoedd' gan Wil Ifan; ambell gerdd gan J. Lewis Jones; a dwy gerdd deyrnged i Marion Eames. = Poems, 1933-[1990], including a volume of poetry and a copy of 'The Caprice' by Marion Eames, 1933-1957; together with copies of poems by others, including manuscript copies of 'A'u gwelo, tros ei galon...' and 'Pe gwyddit ti pa beth wyf fi...' by T. Gwynn Jones, and 'Deuoedd' by Wil Ifan; copies of poems by J. Lewis Jones; and two tributes to Marion Eames.

Mae'r gyfres yn cynnwys llyfr barddoniaeth Islwyn Ffowc Elis tra roedd yn chweched dosbarth Ysgol Sir Llangollen. Mae'r cerddi mewn Cymraeg a Saesneg ac yn dyddio rhwng 1940 a 1942. Ceir hefyd 13 dalen rhydd yn cynnwys geiriau caneuon ac alawon mewn nodiant sol-ffa.

Papurau llenyddol Amanwy, yn cynnwys cerddi, caneuon a gweithiau mewn amryw ffurf, 1909-1953, yn enwedig pryddestau, 1909-1953, telynegion, 1910-1946, a sonedau, 1929-[1953]; rhyddiaith, 1924-1949, sy'n cynnwys darlithoedd, anerchiadau, storiâu byrion a nodiadau; sgriptiau radio,1942-1953; deunydd printiedig yn cynnwys emynau gan Amanwy a gweithiau ganddo ef ac eraill, 1919-1953; torion o'r wasg,1919-1945; a llythyrau,1950-1975. Gweler hefyd Trefniant = Literary papers of Amanwy, comprising poems, songs and other works of various forms, 1909-1953, notably pryddestau, 1909-1953, lyrics, 1910-1946, and sonnets, 1929-[1953]; prose works, 1924-1949, which include lectures, addresses, short stories and notes; radio scripts, 1942-1953; printed materials including hymns by Amanwy and works by him and others, 1919-1953; newspaper cuttings, 1919-1954; and letters, 1950-1975. See also Arrangement.

Notebooks, 1946-71, in Welsh, of Kate Davies containing reviews of her published books and lecture notes, 1969, on Castellhywel, Llandysul, in 1906-7, and on the poetry of her father, Daniel Thomas (1866-1942) and David Davies, Penlôn, Gyfeile, Llandysul, beirdd gwlad, along with copies of their poems. Miscellaneous papers found loose inside the volume have been filed separately (MS 23116iiD).

Llythyrau, 1915-1936, yn bennaf at ei deulu tra bu'n gwasanaethu yn y fyddin, 1915-1919; teipysgrifau a llawysgrifau o'i ddramâu a sgriptiau radio, 1920-1936, a thorion papur newydd o adolygiadau, 1926-1940; barddoniaeth, caneuon, parodïau, rhyddiaith a deunydd arall, 1924-1932; copi teipysgrif o 'Ann y Wernolau',drama gan ei fam, Mrs Teifi Jones, 1921; a deunydd amrywiol a ychwanegwyd gan D. Gwenallt Jones tra bu'n ymchwilio ar gyfer Cofiant Idwal Jones, 1934-1957. = Letters, 1915-1936, mainly to his family whilst serving in the army, 1915-1919; typescripts and manuscripts of plays and radio scripts, 1920-1936, and newspaper cuttings of reviews, 1926-1940; poetry, songs, parodies, prose and other material, 1924-1932; a typescript copy of 'Ann y Wernolau', a play by his mother, Mrs Teifi Jones, 1921; and miscellaneous material added by D. Gwenallt Jones while researching <i>Cofiant Idwal Jones</i>, 1934-1957.

Derbyniwyd bocs ychwanegol o bapurau gan Mrs Eirain Rees (nee Jones), Medi 2008. Mae'r grŵp yn parhau heb ei gatalogio.

Papurau Gwilym Alaw, 1832-1917, Castell Rhigos, yn cynnwys cerddi a rhyddiaith a gyfansoddwyd ganddo ef ac eraill, ynghyd â llyfrau nodiadau, torion o'r wasg a defnyddiau eraill perthynol, a hefyd nodiadau ganddo a deunydd arall a gasglodd yn ymwneud yn bennaf â hanes lleol, 1832-1909 = Papers of Gwilym Alaw, 1832-1917, of Castell Rhigos, comprising poetic and prose compositions by himself and others, together with related notebooks, press cuttings and other material, and also notes by him and other material collected by him relating mainly to local history, 1832-1909.

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