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 Helen Suggett, comprising typescripts, notes, proofs, typescript indexes and correspondence relating to the revision and indexing of English translations of the works of Pierre Teilhard de Chardin, 1963-1978, studies of Teilhard de Chardin, 1966-1977, and other theological studies, 1968-1977; research papers relating to Anglo-Norman documents, 1939-1968, and to the editing of the works of Thomas Sampson, 1941-1968; personal papers, 1937-1977; papers of Philip Suggett, including teaching notes on classical subjects; notes and newspaper cuttings relating to Mountain Ash and Aberdare, [1960s]-[1970s]; and letters, 1975, to Helen Suggett.