- Brooke, Eileen M.1
- Brzezicki, Bronisław1
- Brzezinski, Zbigniew1
- Bussagli, Mario1
- Campbell, Joseph1
- Campbell, Robert Wellington1
- Castro, Fidel1
- Centre for the Study of Religion and Communism1
- Chalidze, Valerii1
- Clark, Robert P.1
- Cliff, Tony1
- Colquhoun, Frank1
- Conquest, Robert1
- Constantine, Mildred1
- Dawletschin, Tamurbek1
- Dimitrov, Georgi1
- Dittmer, Lowell1
- Dürr, Béla1
- Edwards, Lovett Fielding1
- Erenburg, Ilʹia1