Papers, 1795-1980, mainly relating to John Roberts and his family, including papers, 1846-1888, concerning John Roberts, among them manuscript music, letters to Roberts and press cuttings; papers, 1875-1953, of, or relating to, J. L. Roberts ('Telynor Maldwyn', son of John Roberts); miscellaneous family papers, 1907-1911; stray letters, 1874-1980; music manuscripts, 1848 and undated; miscellanea, 1905-1981; and printed items, 1832-1848.