- C.R. Chisholm & Bros.1
- C.S. Mendenhall (Firm)1
- Cadell, T. (Thomas), 1742-18021
- Cahill, B. J. S. (Bernard J. S.), 1867-1
- Calvin, S. (Samuel), 1840-1911.1
- Campbell, R. A. (Robert Allen)1
- Canada1
- Canada. Department of Interior1
- Canada. Department of the Interior, issuing body.1
- Canada. Department of the Interior. Dominion Lands Office1
- Canada. Dept. of Crown Lands.1
- Canada. Office of the Surveyor General1
- Canada. Privy Council Office1
- Canada. Railway Lands Branch1
- Canada. Surveyor General's Office1
- Canadian Bank of Commerce1
- Canadian Pacific Railway Company1
- Canfield, Augustus, d. 18541
- Canoe Country Outfitters1
- Cantelli, Giacomo, 1643-16951