[Canada, Department of Agriculture] List of Canadian Patents, From the Beginning of the Patent Office, June, 1824, to the 31st of August, 1872. Ottawa: Roger & Co., 1882. Fascimile reproduction by Gordon Publications and Reproductions, 929 Alpine Avenue, Ottawa, K2B 5R9, 1979. Pp. 222. 7.50 - Ball, Norman (Urban History Review / Revue d'histoire urbaine, 1981)