Papers of Thomas Owen ('Hesgin'), 1904-1956, comprising letters received, and copies of letters written by him to various newspapers and individuals, 1940-1956; literary compositions, including essays and short stories, submitted by him for competition at various eisteddfodau, including the National Eisteddfod of Wales; two volumes of autobiographical essays and reminiscences; nine volumes of press cuttings, mainly of articles by 'Hesgin' which appeared in newspapers and other publications, 1904-1956; scrapbooks and notebooks; and a minute book and other material relating to the Swansea district committee formed in connection with the National Petition for the Legal Recognition of the Welsh Language in Wales, 1938-1939.

Literary papers of Beti Hughes, 1941-1996, including manuscript and typescript copies and some proofs of her published and unpublished novels, [1966]-[1979]; manuscript and typescript copies of her children's novels, one of which is a translation and abridgement of Great Expectations by Charles Dickens, [1961]-[1969]; notebooks including poetry, scripts, drafts and newspaper cuttings, [1958]x[1981]; together with various papers that include correspondence from Saunders Lewis, exam and competition certificates, scripts, drafts of novels, the Daniel Owen Memorial Competition adjudication, various ballads, and an order of service for unveiling a memorial stone for Beti Hughes, 1943-1994. A further file of papersrelating to Beti Hughes were received. These remain uncatalogued (May 2011).

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 Harri Webb, [c. 1919]-1995, including poetry, 1942-1989; reviews and reader's reports, 1974-1986; correspondence with publishers, broadcasters and editors relating to Webb's work, 1949-1995; correspondence from literary and artistic figures, [1940s]-1983; political correspondence, 1964-1974; political press cuttings, 1952-1981; papers relating to Plaid Cymru, 1961-1978, and Scottish politics, 1967-1969; and personal papers, [c. 1919]-1984.

A collection of Harri Webb's diaries. This group remains uncatalogued.

Papers of Myfanwy Bridges, including pocket diaries, 1923-1982; journals, 1934-1945; holiday journals, 1965-1985; unpublished prose and verse writings, [1960s]-1983; notes and drafts, 1951-1983; and personal and family papers, [1920s]-1987.