Fonds consists of photographs, memorabilia, scrapbooks, and newspaper clippings related to Aureen Richardson and her family, and to her genealogical research and historical research on events and people in the United Counties of Northumberland and Durham and Hastings County.

This fonds consists of the original and collected papers of E.C. Guillet, relating to his works and research on the Trent Valley/Peterborough/Kawartha area. Included is correspondence, primarily with George M. Douglas and Helen Marryat; maps (photocopies); newspaper articles regarding above area; collected manuscripts of historical authors; photographs; and Guillet's own unpublished manuscript of Canadian Literary Pioneers.

The fonds consists of family and related papers of Henry Fowlds and his family including James S. Fowlds and H.M. Fowlds. It also includes business correspondence, invoices, some journals and cashbooks, mortgages as well as deeds regarding the business of Henry Fowlds, Jas. S. Fowlds and Bros. and H.M. Fowlds. 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: [Nursing Sister Helen L. Fowlds: A Canadian Nurse in World War I.]: http://digitalcollections.trentu.ca/exhibits/fowlds/

This collection consists of records collected by G. Wilson Craw such as school histories, Peterborough County; Barnardo's Canadian Homes Almanac 1901; a list of Peterborough Utilities Commissioners 1902-1965; biographies of Peterborough residents; deeds and mortgages; North Monaghan voters list 1883-4; 76 photographs of industries, schools and churches and sporting groups, as well as a history of Springfield, North Monaghan.

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

This fonds consists of six photographs of "Blyth", the home of John Langton and his family. The photos were taken in 1911 and 1912. The home, which has since been demolished, was close to Fenelon Falls on Sturgeon Lake. The people in the photographs are not identified. Written on an envelope, included with the photographs, is "1911 & 1912. Old photos of "Blyth" Given to M. McCulloch by Mrs. [Frances] George Douglas."

The fonds consists of the diaries of Harriet Pengelley (1835-1836), Robert Pengelley (1835), and A.E. Marguerite (Rita) Pengelley (1940-1941); correspondence; sketchbooks (1829-1830); drawings; and photographs. In 1994, an addition was made to the fonds which included a photocopy of a diary of Robert Pengelley (1837-1840) and textual records regarding the Pengelley family. In 2018, an addition of Pengelley family genealogical information was received.