This addition to the fonds consists of one pen and ink drawing of the Court House, Peterborough.

The fonds consists of two photocopies of drawings of early Peterborough by Edward C. Caddy. The first is a drawing of Conger Hill, 1839-1842, and the second is a drawing of the Courthouse and St. John's Church, 1839.

This addition to the fonds consists of a pen and ink drawing of Conger House and hill, north of George Street in Smith Township, by Edward C. Caddy. The cardboard backing from the original frame has information regarding the sketch and donor.

This fonds consists of 4 boxes of materials related to the life and works of Spencer J. Harrison.

This fonds consists of various original and copied records of the business activities of Thomas Hay, and related family data, such as birth-death records, correspondence, drawings (technical and sketches) and photographs. A small genealogical table compiled by the archivist is enclosed.