- Kommunisticheskaia partiia Sovetskogo Soiuza3
- Trotsky, Leon3
- Ulam, Adam B.3
- Carr, Edward Hallett2
- Dallin, David J.2
- Daniels, Robert V.2
- Djilas, Milovan2
- Furet, François2
- Mead, Margaret2
- Moore, Barrington2
- Russell, Bertrand2
- Bennigsen, Alexandre1
- Berdiaev, Nikolai1
- Bertsch, Gary K.1
- Bishop, Robert1
- Bukharin, Nikolai1
- Bukharin, Nikolai Ivanovich1
- Cantril, Hadley1
- Chamberlin, William Henry1
- Cliff, Tony1