Names
- Clark, Joseph S.1
- Cleary, Gerald J.1
- Clepper, Henry Edward, 1901-1
- Clepper, Henry Edward, 1901-1987.1
- Cleveland, Harlan.1
- Cohen, Wilbur Joseph, 1913-1
- Coleman, John Strider, 1897-1958.1
- Collins, John J. (John Joseph), 1935-1
- Collins, LeRoy.1
- Comstock, William Alfred, 1877-1949.1
- Connolly, John W.1
- Conservation Foundation1
- Conservation Foundation.1
- Cooper, John Sherman, 1901-1
- Cooper, John Sherman, 1901-1991.1
- Corbett, Robert J. (Robert James), 1905-1971.1
- Cousins, Norman.1
- Couzens, Frank, 1902-1950.1
- Couzens, James Joseph, 1872-1936.1
- Couzens, James, 1872-1936.1