- Brezhnev, Leonid Ilʹich1
- Brinke, Georg Reinhold1
- British Broadcasting Corporation, Written Archive Centre1
- Brooke, Eileen M.1
- Broomfield, Nick1
- Brzezicki, Bronisław1
- Brzezinski, Zbigniew1
- Bulgarian Unit1
- 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
- Constitutional and Legal Policy Institute at OSI-Budapest1