- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)193
- Khrushchev, Nikita Sergeevich6
- Medvedev, Roy Aleksandrovich6
- Conquest, Robert5
- Armstrong, John Alexander4
- Laqueur, Walter4
- Lewytzkyj, Borys4
- Brzezinski, Zbigniew3
- Grigorenko, P. G.3
- Gunther, John3
- Hazard, John N.3
- Mandelʹshtam, Nadezhda3
- Sakharov, Andrei3
- Schapiro, Leonard Bertram3
- Shub, Anatole3
- Soros, George3
- Zemtsov, Ilya3
- Amal'rik, Andrei2
- Avtorkhanov, Abdurakhman2
- Bonavia, David2