The fonds consists of 6 oral history tapes on cassettes; photocopies and original drafts of interviews; and final transcripts of interviews by Jamie Benidickson on the subject of Leslie M. Frost. Interviewees include Malcolm Montgomery, Dorothy Swallow, Marjorie Porter, Jack and Eileen Beal, and Bill Leishman.

This fonds consists of transcripts of interviews with Peterborough and area citizens concerning their perceptions of the social, cultural, and political aspects of life in Peterborough from the early 1900s to 1974. There are also three cassette tapes forming one interview with Lorna Cotton-Thomas.

This addition to the fonds consists of interviews with prominent NDP and labour activists recalling the 1960 by-election in Peterborough, and the early history of the Co-operative Commonwealth Federation (CCF) and the New Democratic Party (NDP) in the riding. As well there are related transcripts; newspaper articles and correspondence.

Collection consists of 9 audio cassette records of individuals reminiscing about Leslie Frost and his brothers Cecil and Grenville. Tapes were made in 1984 and individuals interviewed include: William Davis, Richard Gorwill, Hugh Latimer, Clare Westcott, Alf Cole, Roland Michener, and Marjorie Porter. there are transcripts available. Also included in the collection is an illustrated paper presented by Brian McFadzen, 2006, entitled "The Frost Brothers in Lindsay." Also included is a CD of photographs reproduced from a Frost scrapbook and showing their homes and offices in Lindsay Ontario and also showing portraits of the Frost brothers.