- Trotsky, Leon5
- Djilas, Milovan3
- Furet, François3
- Kommunisticheskaia partiia Sovetskogo Soiuza3
- Berdiaev, Nikolai2
- Bukharin, Nikolai Ivanovich2
- Dallin, David J.2
- Geller, Mikhail2
- Moore, Barrington2
- Nove, Alec2
- Russell, Bertrand2
- Ulam, Adam B.2
- Agraniants, Oleg1
- Bennigsen, Alexandre1
- Bensi, Giovanni1
- Bertsch, Gary K.1
- Bishop, Robert1
- Bochenski, Joseph M.1
- Bukharin, Nikolai1
- Béládi, László1