Names
- Cogley, John, 1916-1
- Cogley, John.1
- Cohen, Benjamin V.1
- Collier, John, 1884-1968.1
- Committee to Aid Spanish Democracy.1
- Comstock, William Alfred, 1877-1949.1
- Conference for Progressive Labor Action.1
- Conover, James F.1
- Conover, Milton, 1890-1
- Cooley, Mortimer E. (Mortimer Elwyn), 1855-1944.1
- Corcoran, Thomas Gardiner, 1900-1
- Coughlin, Charles E. (Charles Edward), 1891-1979.1
- Cousins, Norman, 1912-1
- Cousins, Norman.1
- Cowley, W. H. (William Harold), 1899-1978.1
- Cowley, William Harold, 1899-1
- Crane, Henry Hitt, 1890-1
- Crane, Henry Hitt, 1890-1977.1
- Creighton, Frank W.1
- Creighton, Joseph.1