The fonds consists of personal and business correspondence and papers for several members of the Cameron family who lived in Peterborough, Upper Canada. It includes correspondence between Charles Cameron and his wife Sophia (Barron) Cameron, 1852-1881; business correspondence, invoices, receipts, and accounts for McKeller and Cameron Dry Goods Merchants, 1861-1870; Charles Cameron business correspondence, invoices, receipts and cancelled cheques from his years as an insurance agent, 1871-1903; Alfred Cameron personal and business correspondence, 1886-1908; Alfred Cameron survey reports for various townships, towns and villages in Peterborough County, the United Counties of Northumberland and Durham, Simcoe County, Nippissing District, and Cochrane District, 1894-1931; Alfred Cameron insurance policies; and a Chas. E. Goad fire insurance plan of the town of Peterborough and the village of Ashburnham, 1882, revised 1889.

This addition to the fonds consists of surveyor's plans for lots mainly in Ashburnham and Peterborough drawn by surveyor Alfred Cameron.

This fonds consists of research papers and notes pertaining to the publication of the Peterborough Historical Atlas in 1975 and the subsequent activities of the Peterborough Atlas Foundation.