- Chamouin, Jean Baptiste Marie, 1768-1
- Chandler, C. E. (Charles Edward), 1852-1
- Chapin, A. A.1
- Chapman and Hall1
- Chapman, Isaac A.1
- Chariton Basin Planning Board (Iowa)1
- Charle, Jean Baptiste Louis.1
- Chas. Baker & Co.1
- Chase, Ray P. (Ray Park), 1880-19481
- Chatelain, Zacharias.1
- Chauchard, Captain1
- Chesapeake and Ohio Railway Company1
- Chester (Pa.). Highway Department1
- Chicago Lithographing Co.1
- Chicago Sanitary District. Engineering Dept.1
- Chicago Surface Lines1
- Chicago and North Western Railway Company1
- Child, Nathaniel (Cartographer)1
- Chile. Oficina de Mensura de Tierras1
- Chillas, David1