Plan for the Inverlea Bridge by T.A.S. Hay. Civil Engineer, 1910. Extensive records of Peterborough County Court, 1830-1900. Catalogues of the Peterborough Canoe Company . More than 5000 photographs related to Peterborough and area.
Peterborough business directories.
Original tax assessment rolls for Peterborough County. Records of the Peterborough Mechanics Institute. Over 60,000 negatives representing the surviving body of work of the Parks Photo Studio, Peterborough. Records of the Peterborough chapter of the Canadian Order of Foresters. The Robert and Charlotte Jane Nicholls papers.