- Buzek, Antony2
- Bączkowski, Włodzimierz2
- Caroe, Olaf Kirkpatrick2
- Caute, David2
- Chen, Theodore Hsi-en2
- Chernenko, K. U.2
- Chertkov, Aleksei Borisovich2
- Childs, David2
- Churchill, Winston2
- Ciołkoszowa, Lidia2
- Clissold, Stephen2
- Cohen, Stephen F.2
- Communist International2
- Conference on the Russian Revolution2
- Crankshaw, Edward2
- Crossman, R. H. S.2
- Czapska, Maria2
- Czerniawski, Adam2
- Daniels, Robert Vincent2
- Danilewicz Zielińska, Maria2