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.

Papers of Brythonydd and others, [early 18th century]-1952, comprising essays and notes on Teifiside history, 1902-1909; notes on sermons and lectures; diaries, 1906-1923; transcripts of various historical, literary and religious material including Ystradyfodwg parish records, 1735-1930, and Howel Harris' diaries, 1738-1771; transcripts of poetry by Cardiganshire poets including Gwinionydd; letters, 1898-1952; vestry books and account books of Cenarth and Penbryn and other parishes, [pre 1798]-1876; records of Libanus, Treherbert including minute books, registers and account books, 1842-1946; papers of Benjamin Williams (Gwinionydd), including letters, sermons, 1855-1890, essays, notes and poetry; papers of David James (Defynnog), Treherbert, relating mainly to the column he edited in The South Wales News and including sermons and adjudications of his uncle, Benjamin Thomas (Myfyr Emlyn), 1875-1928; papers of John Morris Jones (Ioan Cunllo), John Thomas, Charles Davies, Thomas Cynfelyn Benjamin, Lewis Jones, Treherbert, Rees Price, David Price, Joseph Davies and Rhys Lloyd Jones, Troed-yr-aur, and others, consisting mainly of poetry, accounts, letters, addresses, notebooks and sermons, [19th century]-[20th century].

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.

Twelve holograph poems by Waldo Williams, [1956] (ff. 1-10), written down from memory with the encouragement of Prof. J. Gwyn Griffiths and Dr Kate Bosse-Griffiths at their flat in 1 Eaton Crescent, Swansea; with the exception of 'Arfau' (ff. 6 verso-7), all the poems appeared in the volume Dail Pren (Llandysul, 1956). Also included are page proofs of the first typesetting of Dail Pren prepared by Gwasg Gomer in June 1956 (ff. 11-103), arranged by the poet with the help of Prof. Griffiths and Dr Bosse-Griffiths and including a few manuscript emendations in the hand of Prof. Griffiths.
The first typesetting differs significantly from the first published version of November 1956, with the poet having omitted twenty of the sixty-three poems and added twenty-three new poems.

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.

Mae'r casgliad yn cynnwys: gohebiaeth gyffredinol at Bobi Jones,1950-1997, nifer ohonynt oddi wrth bwysigion Cymru; gohebiaeth a phapurau, 1971-1979, yn ymwneud â gwaith golygu'r gyfres Storiâu Tramor; papurau amrywiol, 1951-[1990au], yn cynnwys beirniadaethau ar gyfer eisteddfodau, cyfrolau o nodiadau darlithoedd, papurau gwleidyddol, adolygiadau, sgriptiau radio, ddrafftiau barddoniaeth ac erthyglau; papurau,1968-1969, yn ymwneud â thaith Bobi Jones i Fecsico; gohebiaeth a phapurau ynglŷn â pharatoi a chyhoeddi Cyfrol Deyrnged Kate Roberts (Dinbych, 1969); eitemau printiedig, 1951-1992, yn cynnwys rhaglenni theatr, gwahanlithoedd a phroflenni deunydd a gyhoeddwyd, anerchiadau etholaethol a thaflenni gwleidyddol, a chardiau gwasanaeth angladdau; torion o'r wasg,1948-1994, yn cynnwys torion cerddi, beirniadaeth lenyddol ac adolygiadau gan Bobi Jones; grŵp o bapurau A. W. Wade-Evans, 1923-1960; gohebiaeth, papurau’n ymwneud â’r Mudiad Efengylaidd, darlithiau ar grefydd, llyfryddiaeth a gwefan Bobi Jones a chyfieithiadau o’i gerddi, 1950-2016. = The collection comprises: general correspondence to Bobi Jones, 1950-1997, many from prominent figures in Welsh life; correspondence and papers, 1971-1979, relating to the work of editing the series Storiau Tramor; miscellaneous papers, 1951-[1990s], including adjudications for eisteddfodau, volumes of lecture notes, political papers, reviews, radio scripts, drafts of poetry and articles; papers, 1968-1969, relating to Bobi Jones's trip to Mexico; correspondence and papers concerning the preparation and publication of the volume Cyfrol Deyrnged Kate Roberts (Dinbych, 1969); printed items, 1951-1992, including theatre programmes, offprints and proofs of published material, election addresses and political leaflets, and funeral service cards; press cuttings, 1948-1994, including cuttings of poems, literary criticism and reviews by Bobi Jones; a group of papers of A. W. Wade-Evans, 1923-1960; correspondence, papers relating to the Evangelical movement, lectures on religion, bibliography and website of Bobi Jones and translations of his poems, 1950-2016.

Papurau Llywelyn Phillips,1864-1982, yn cynnwys gohebiaeth, 1937-1981; erthyglau, darlithoedd, anerchiadau a chyfansoddiadau llenyddol,1933-1980; papurau amrywiol yn ymwneud â'i yrfa, pynciau amaethyddol, bywyd a llenyddiaeth Cymru, 1864-1952; llyfrau lloffion o dorion,1949-1956; cerddi, gan gynnwys y rhai a gyflwynodd i eisteddfodau a chyfansoddiadau ar gyfer achlysuron arbennig, 1957-1981; erthyglau amrywiol a sgriptiau radio,1940-1981; teyrngedau i Llywelyn Phillips,1864-1982; a gweithiau printiedig,1954-1981 = Papers of Llywelyn Phillips, 1864-1982, including correspondence, 1937-1981; articles, lectures, addresses and literary compositions, 1933-1980; miscellaneous papers relating to his career, agricultural matters, Welsh life and literature, 1864-1952; scrap books of cuttings, 1949-1956; poems, including those submitted for eisteddfodau and compositions for special occasions, 1957-1981; miscellaneous articles and radio scripts, 1940-1981; tributes to Llywelyn Phillips, 1981-1982; and printed works, 1954-1981.

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).