Main contributor
- Catling, Darrel, 1909-19911
- Center for Mass Communication, Columbia University Press1
- Central News Reel Studios, Moscow1
- Centron Corporation1
- Charles D. Cooper1
- Charles Grinker1
- Charles J. Vierck1
- Columbia Broadcasting System1
- Columbia Pictures Corporation1
- Combat film units of Army Airforces, United States Navy1
- Combat film units of Marines, Army Airforces, United States Navy4
- Combat film units of Signal Corps, Marines, Army Airforces, United States Navy2
- Constable, J. M.1
- Coronet Instructional Films2
- Coronet Productions1
- Cowles Magazines, Inc.1
- Crawley Films1
- Crawley Films Limited1
- Cromwell, John, 1888-19791
- Crown Film Unit2