Fonds pertains to the life of Theodore Thorne Hamilton (1890-1959) and his extended family. The documents, comprised of original letters, vital statistic certificates, photographs, and postcards, are interleaved with detailed biographical information compiled by the donor, Mr. Jim Hamilton, a second cousin (twice removed) of Theodore Thorne Hamilton. Included are approximately 100 photographs pertaining to the Skeena River flood of 1936, approximately 30 early 20th-century Bobcaygeon area postcards, and two Bibles.

Fonds consists of records documenting the Stinson family, primarily the legal and political career of T.H. Stinson. Family records include Christmas cards, wedding invitations, and family portraits, Mrs. Stinson's correspondence, and travel records (postcards, booklets, photographs) documenting the 1913 Christian North American Tour, in which Mr. and Mrs. Stinson participated. Records documenting T.H. Stinson's legal and political career include law school notebooks (1904-1910), correspondence and a scrapbook regarding the 1921 election, campaign files and notes from the 1930 and 1935 federal elections and Leslie Frost's 1934 provincial campaign, material from the Conservative Party Caucus Study club, newspaper clippings regarding the depression and the Bennett government, memoranda, correspondence regarding the riding organization (1933-1935); and House of Commons materials. There are postcards which depict scenes of Canada and the United States, from approximately 1920. Included, also, are several local maps, election posters (1927), and voter tally boards.

Collection is comprised of approximately 7500 postcards (including some duplicates) pertaining primarily to the former Victoria County (now City of Kawartha Lakes). Dating from about 1900 to 1960, this collection was created by Norbert Erasmus Hyacinth Krommer of Lindsay, Ontario. A few postcards portray photographs of unidentified people, while others include handwritten messages on the reverse along with postal stamps and markings.

Collection consists of 10 postcards of Coboconk, Ontario, ca. 1920s.