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.

Items are reproductions of photographs depicting a view of Ashburnham from the tower of St. John's Church, c.1874. The View was constructed from two James Little photographs located at Peterborough Centennial Museum and Archives. One item is a print identified as proof number 9/10; the other is a reduced copy of the View with attached legend showing the names of the buildings.

This accession consists of copy photographs, several of which are of originals in the Reid family photograph album and date from the 1840's to 1900's. One is of the Robert Henry "Harry" Devinish Reid family accompanied by an identification sheet with vital statistics for each member. Included also is a set of ten copy photographs of three generations of the Reid family. This set is accompanied by a family chart providing statistics for those listed.

This fonds consists of photocopied correspondence of the Stewart and Dunlop families. Most of the letters are to Ellen Dunlop (daughter of Frances Browne Stewart) from Frances Stewart, Catharine Parr Traill and Harriet Beaufort as well as James Wallis. Also included is a Stewart family tree.

This fonds consists of minutes, correspondence, pamphlets, placemats and a booklet By Lake and By Lock produced by Heritage Peterborough to raise public awareness of history and heritage buildings in the city and county of Peterborough.

This fonds consists of various Heritage Peterborough administrative documents including minutes, a manual, statements, budgets, etc. Also included are various materials and correspondence relating to historical sights in and around Peterborough.

Collection consists of an audio cassette tape and transcript of an interview with William G. Towns of Douro, Ontario, conducted by Professor Alan Brunger on 27 October 1981. Also included is an audio cassette tape of an interview with William Telford of Smith Township, Ontario, on local recreation history, conducted by Elaine Boothman for Professor John Marsh's geography 334 course in October 1984.

This addition to the fonds consists of galley proofs and research notes collected prior to publication of Kawartha Heritage, 1981. The fonds also contains correspondence about the Kawartha Heritage Festival held the same year.

This addition to the fonds represents a compendium of Stewart materials. It consists of 5 volumes of transcriptions of letters, journals and other papers of Frances Stewart of Douro Township, Upper Canada, and other family members. These 5 volumes transcribe materials of varying provenance and location and were made by Jean Shearman and her sisters. Interfiled within the volumes is the Stewart-Dunlop fonds (94-007) which is comprised of photocopies of correspondence and a family tree; the correspondence is interfiled where it would naturally occur chronologically and the family tree is located at the beginning of Vol. 1. Note: In 2013, the original letters were received for many of the 94-007 items; the originals are processed as 13-008.

This fonds consists of research materials pertaining to the publication in 1978 of Ontario's Heritage: A Guide to Archival Sources.

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 research papers and notes pertaining to the publication of the Peterborough Historical Atlas in 1975 and the subsequent activities of the Peterborough Atlas Foundation.

Fonds consists of Professor Alan Brunger's research material pertaining to the historical geography of Bon Echo Provincial Park and Algonquin Provincial Park. Included in the Algonquin materials are aerial photographs and photographs of the Dennison Farm property. Also included is historical geography research material and microfilm reels relating to the Peter Robinson Irish emigration to the Peterborough area.

Fonds consists of correspondence, manuscripts, published papers and booklets, and research materials relating to the many papers, articles, and books written by Jean Murray Cole

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.

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.

This fonds contains records of John Merton Bowes’ 70-year career as a real estate agent in Toronto and Peterborough. The records include photographs, reports, advertisements, and other paper records of his professional career beginning in the 1950’s up to his retirement in 2020.

The fonds consists mostly of Helen Marryat's (nee Helen Fowlds) personal experiences as a nurse in World War I, and her activities as a local historian. There are clippings of her articles in local newspapers, historical maps (drawn by Gerald Marryat) and other materials relating to settlement of Hastings and district such as education and nursing. Also included are the correspondence and photograph collections of her brothers, Donald and Eric (mostly from World War I), and material on Frederick Marryat (1792-1848), navy captain and novelist. In December 2001, Trent University Archives launched an online exhibit which depicts Helen Fowld's experiences in World War I. All her letters and diaries are transcribed and are found at the following site: http://digitalcollections.trentu.ca/exhibits/fowlds/ffowldswelcome.htm