Names
- Clark, Frederick Converse.1
- Clark, John Bates, 1847-1938.1
- Claxton, Philander Priestley, 1862-1957.1
- Clements, James.1
- Cleveland, Cincinnati, Chicago, and St. Louis Railway Company.1
- Cleveland, Frederick Albert, 1865-1946.1
- Cleveland, Grover, 1837-1908.1
- Clute, Lemuel1
- Clute, Lemuel.1
- Cody, Hiram Sedgewick.1
- Cole, Arthur Charles, 1886-1
- Cole, Arthur Charles, 1886-1976.1
- Colorado and Southern Railway.1
- Commons, John Rogers, 1862-1945.1
- Conant, Charles A. (Charles Arthur), 1861-1915.1
- Condon, Randall J. (Randall Judson), 1862-1931.1
- Cook, William W. (William Wilson), 1858-1930.1
- Cooley, Edgar Arthur.1
- Cooley, Eugene, 1849-1937.1
- Cooley, Lyman Edgar, 1850-1917.1