- Burr, David H., 1803-18751
- C.A. Hubbard & Co., cartographer, publisher1
- C.A. Pabodie & Son, cartographer, publisher1
- Callan, James, cartographer1
- Canada. Department of Mines and Resources1
- Canada. Dept. of Mines and Resources1
- Canada. Dept. of the Interior1
- Canada. Dept. of the Interior. Railway Lands Branch1
- Canada. Natural Resources Intelligence Branch1
- Carleton, Osgood, 1742-18161
- Cartes Taride (Firm).1
- Cary, John, approximately 1754-18351
- Cassell & Company1
- Centre de recherche géographique et de production cartographique (Brazzaville, Congo)1
- Chalifour, J. E. (Joseph Epiphane), 1863-1953, cartographer1
- Chishitsu Chōsajo (Japan)1
- Clason, George S. (George Samuel), 1874-1957, cartographer1
- Clegg, Ernest1
- Collins, Henry George, cartographer1
- Colton, Geo., cartographer1
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