Fonds consists of maps and plans of the Ottawa and Haliburton areas, time-books of Bronsons and Weston logging firm, and photographs of the building of a railway, and of the Haliburton area. Included also are research material and manuscripts relating to books which Harley R. Cummings wrote about schools in the Ottawa area, and on the history of Haliburton. Included are notes on John Strachan and a transcript of his diary. The fonds also includes several genealogical charts of the MacCallum family.

This fonds consists principally of research materials for a paper entitled "A Caddy Chronicle," written by Gordon Roper, in collaboration with Gordon Dibb, April 14, 1998.

This fonds consists of correspondence, sketches and class lecture notes of Erik Loder. Loder's theories of art are discernible in his jottings and notes. Also included are numerous art catalogues and exhibition notes; slides of Loder art works; sketches, drawings and paintings; personal cards and letters sent at the time of Loder's death in 1993; art auction and sale lists.

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