Collection consists of correspondence, 1882-1899, and several envelopes dating 1870s to 1890s, most of which are addressed to Thomas Choate of Warsaw, and Mrs. John Moore [Cettie Choate, daughter of Thomas]; souvenir brochure of pictures of Peterborough, Ontario; Maccabees brochures; approximately 125 stereographs depicting scenery, architecture, and people in the U.S.A., Europe, and Canada; two photographs of the employees of Western Clock Company Limited of Peterborough, Ontario, 1938 and 1944; a temperance meeting poster for Warsaw, Ontario, 1858; and an electoral district of East Durham proclamation broadside, 1924. Also included is the Choate Family Bible donated and added to the collection in 2002. The bible contains genealogical information on the Choate family.

Fonds consists of correspondence, journals, religious materials, and newspaper clippings related to the family of Thomas Alexander Stewart and Frances Stewart. Many papers originate from the family of their son, Henry Louis Stewart. Also included are a book about the Stewart family, Poole's history of Peterborough, a photograph of people at camp at "Indian Hill near Coldwater Ontario," a sketch of Auburn (the family homestead), and a map depicting townships with lots and concessions in the counties of Northumberland, Durham, Victoria, and Peterborough.