- Bock, Maria Stolypina1
- Boissier, Pierre1
- Bouscaren, Anthony Trawick1
- British Broadcasting Corporation, Written Archive Centre1
- Browder, Robert Paul1
- Bulgarian Unit1
- Burnham, James1
- Buttinger, Joseph1
- Caroe, Olaf Kirkpatrick1
- Chamber of Commerce of the United States of America. Legislative Department1
- Chernov, V. M.1
- Chirovsky, Nicholas L.1
- Cliff, Tony1
- Cockburn, J. Hutchison1
- Commission internationale contre le régime concentrationnaire1
- Communist International (Comintern)1
- Creel, Herrlee Glessner1
- Curtiss, John Shelton1
- Czechoslovak Unit1
- Dean, Gordon E.1