This collection consists of assorted documents relating to Cobourg and vicinity. It includes marriage certificates, correspondence, indentures, opera house programmes, choral and church programmes, an oil sketch by Alice M. Duncan, and photographs and postcards. It also includes a copy of the "Cobourg World", April 8, 1898 Volume 25, and No. 43.

This fonds consists of the family and personal papers of William Hamilton Munro, his brothers Reid and Alan and his sister Effie. The materials in the fonds make reference to World War I; Peterborough County; hydro-electric companies in Canada and the third world; photographs, postcards, maps and plans of the Trent Canal; City of Peterborough; and locations in Bolivia, Europe and North America.

This collection consists of 33 lithographic print plates, mounted on wood, of photographic negatives of the fire brigade, Peterborough City Council (1925, 1933 and 1941), the waterworks, the first fire engine, and the Aylmer Street station. There are also print plates of photographic negatives of fires at various buildings in Peterborough including Quaker Oats, the Boston Cafe, the Salvation Army, and the Peterborough Canoe Company.

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.

Collection consists primarily of photocopies and emails with information pertaining to various aspects of Peterborough's history, from both the city and the county. Brief history of the town of Lakefield is also included.