Papers of John Sheringham mainly reflecting his research interests, including his research into Montgomeryshire place-names, 1980-1995, medieval Welsh history and laws, 1984-1995, and Breton history, 1988-1989; typescript notes on Welsh law, 1986-1990; typescript drafts of published works, and papers of the Machynlleth and District Civic Society, 1979-1993, and the Aberystwyth and District Civic Society, 1990-1994.