This addition to the fonds consists of newspaper clippings, correspondence, photographs, music books, notes and memorabilia concerning various parts of Peterborough County.

This addition to the fonds consists of articles and booklets written by Frank Morris; manuscripts and published articles by Douglas Sadler; correspondence, minutes of meetings relating to Sadler's involvment in environmental and naturalist issues and activities; correspondence relating to Teacher's College and several issues of the Young Naturalist.

Fonds consists of 7 watercolours done by Edward C. Caddy. Likely locale of some of the paintings was supplied by Professor Gordon Roper; these locations include Scotland (2), Gull Lake, Stoney Lake, Lake Superior. Two have no indication of location. Also included is a two section map showing Herriots Mill near Kitchiwannoe Lake, and a map (mockup) of Peterborough, Ontario entitled "Location of Built Heritage (demolished and standing) in relation to the MNR building site", 1995.

This fonds consists of materials relating to Gilbert and Sullivan productions, the Coventry Singers of Peterborough, and the Town and Gown concerts of Peterborough. Also included are materials related to the Progressive Conservatives, the New Democratic Party, the 1975 election, and Peterborough voting patterns.