This fonds consists of a blacksmith's account book belonging to John Tinney of Cavan, Ontario and a small pocket diary kept by a soldier, Hector Tinney who served overseas in World War I. Also included in the fonds are a number of post cards of Belleville, Ontario, Trenton in Ontario as well as a photograph of Hector Tinney and the Tinney blacksmith shop.

This item consists of a folder containing ten published 56 cm x 43 cm pictures of American Revolution war scenes.

Collection consists of miscellaneous photographs, engravings, posters, broadsides, and a newspaper supplement.

This addition to the fonds consists of correspondence between Scott Medd and his sister Miss Mary Medd of Peterborough, Ontario. The correspondence is from the later period of their lives. There are also photographs of the Medd and Daniels families.

This fonds consists primarily of the correspondence of Scott Ackerman Medd to his parents Sidney Taylor Medd and Estelle Lumsden Ackerman and his sister Mary E. Medd. The correspondence covers such topics as Scott's education at Trinity College School in Port Hope and at the Royal Academy in London, England, his development as and artist, life in England, and World War II. The fonds also contains the family records of Thomas and Mary Medd consisting of emigration and settlement letters, 1819-1919; correspondence to Robert Medd, 1820-1852; and correspondence to and from Sidney Taylor Medd during World War I. Also included are photographs of various members of the Medd family and sketches and sketchbooks of Scott Ackerman Medd.

This fonds consists of the personal and collected papers of the Honourable Leslie M. Frost, former Premier of Ontario. It contains correspondence; letter books from World War I through his legal and political career to post-retirement phase of public and private directorships; scrapbooks of Leslie Frost and his wife Gertrude; and historical files on various subjects, including the Frost family, the Carew family, various political figures, and Victoria, Peterborough and Haliburton Counties. The fonds is especially valuable for the study of Conservatism and it includes collected campaign material from 1891 to 1971, material on federal and provincial elections, and original and copied historical material on many individuals and events. Also included in the fonds are photographs, miscellaneous graphic materials, and audio visual materials.

Drawings of Jim Lauder, a Canadian soldier, from a German prisoner-of-war camp in 1944. Also, added in 2019, a copy of Hard Tears & Soft Laughter by James William Lauder (Tellwell Talent, 2018); the manuscript for this book was written by James William Lauder and published posthumously by Lauder's son, Jimmie Arthur Lauder, in 2018.

This fonds includes three 8 X 10 inch, black and white photographs of military groups, 1 framed certificate and 1 sketch book with loose photographs in the front.