This fonds consists of correspondence, research notes and original documents which were collected by Professor David Macmillan during his research. Items such as voters' lists for Victoria County, Ontario and a series of broadsides advertising land in Victoria County; documents from the Hudson's Bay Company, East Indies; minutes from the Barbados Board of Legislative Council, a Sydney Australia Company, and the Sydney Australian Committee of the New Steam Company; and a number of reproduction engravings and prints are included in the fonds. Also included in the fonds is a copy of Macmillan's 1964 Ph.D. thesis: "The Scottish Australian Connection..." and assorted pamphlets relating to New South Wales.

This fonds consists of three papers written by Peter Adams (one with B.F. Findlay and B.E. Goodison) concerning snow. It also includes his speech notes for a Peterborough Social Planning Council meeting, and two annual reports written in his capacity as M.P.P.

This fonds consists of Professor Paehlke's correspondence and lists of bibliographic citations on asbestos, uranium mining, hazardous and toxic chemicals, insecticide spraying, recycling and waste management as well as other environmental issues.

Fonds consists of personal records of Thomas H.B. Symons relating to his career and to his family. Included are records of his wife, Christine Symons, his children, Mary, Jeffrey, and Ryerson Symons, his father, Harry Lutz Symons, including his father's manuscript for "Three Ships West", and his mother, Dorothy Sarah (Bull) Symons. Also included are materials relating to Professor Symons' activities on various boards and committees, addresses, articles, manuscripts, typescripts, and correspondence, documents and notes concerning Trent University, Association of Commonwealth Universities, Celanese Canada, Science Council of Canada, Department of External Affairs, Royal Society of the Arts, Social Sciences and Humanities Research Council, etc.. Also included are photographs of Thomas H.B. Symons, Christine Symons, and His Royal Highness the Prince of Wales.