- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)83
- Kommunisticheskaia partiia Sovetskogo Soiuza5
- Armstrong, John Alexander4
- Schapiro, Leonard Bertram3
- Avtorkhanov, Abdurakhman2
- Conquest, Robert2
- Fedenko, Panas2
- Mlynář, Zdeněk2
- Nicolaevsky, Boris I.2
- Silnitskii, Frantishek2
- Adler, Nanci1
- Amort, Čestmír1
- Brezhnev, Leonid Ilʹich1
- Brzezinski, Zbigniew1
- Bukharin, Nikolai Ivanovich1
- Carmichael, Joel1
- Chernenko, K. U.1
- Ciołkosz, Adam1
- Efimov, Anatolii Gerasimovich1
- Fischer, George1