Names
- Carmichael, Leonard1
- Carrie Post1
- Carroll Lathrop Post1
- Carroll Post1
- Cavanaugh, Martin J., 1866-1
- Chandor, Mrs. Douglas1
- Charles A. Towne1
- Charles Cudney1
- Charles R. Sligh1
- Charles R. Sligh Co.1
- Charles R. Sligh Company1
- Charles R. Sligh, Jr.1
- Charles Rollin Post1
- Charles W. Watkins1
- Charles William Post1
- Chase S. Osborn1
- Chester, Colby, Jr.1
- Citizen's Industrial Association of America1
- Citizens' Industrial Association of America.1
- Clark Iron Co.1