Names
- Cole, Albert M. (Albert McDonald), 1901-1994.1
- Cole, W. Sterling (William Sterling), 1904-1987.1
- Collier, John, 1884-1968.1
- Collins, John J. (John Joseph), 1935-1
- Collins, LeRoy.1
- Committee to Advance Public Education.1
- Communications Workers of America.1
- Company F, 1st Michigan Engineers and Mechanics.1
- Conant, James Bryant, 1893-1978.1
- Concerned Citizens Movement.1
- Conference for Progressive Labor Action.1
- Congress of Industrial Organizations (U.S.)1
- Connally, Tom, 1877-1963.1
- Connelly, Matthew J 1907-1
- Connolly, John W.1
- Conyers, John, 1929-1
- Cooper, John Sherman, 1901-1991.1
- Corcoran, Thomas Gardiner, 1900-1
- Coughlin, Charles E. (Charles Edward), 1891-1979.1
- Council About Parochiaid.1