The papers donated by Lord Cledwyn of Penrhos in five groups between 1990 and 1997 comprise Lord Cledwyn's diaries, 1970-1978; his engagement diaries, 1966-1984; general correspondence files, 1956-1997; subject files, 1958-1997, including papers relating to Welsh affairs, 1962-1997, and to the Parliamentary Labour Party, 1968-1979; constituency papers, 1955-1996; speech notes, 1952-1979; and printed matter, 1945-1997. The The further papers donated by Lady Cledwyn in May 2001 comprise correspondence files, 1964-2001, including many letters from prominent politicians and individuals, files on specific subjects, 1989-2000, and miscellaneous papers, 1980-1999. --