- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)3,468
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)16
- Lennauchfilm13
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)10
- Conquest, Robert8
- Khrushchev, Nikita Sergeevich8
- Geller, Mikhail7
- Medvedev, Roy Aleksandrovich7
- Solzhenitsyn, Aleksandr Isaevich7
- Brzezinski, Zbigniew6
- Pipes, Richard6
- Tsentrnauchfilm6
- Laqueur, Walter5
- Lewytzkyj, Borys5
- Nove, Alec5
- Vertov, Dziga5
- Armstrong, John Alexander4
- Carrère d'Encausse, Hélène4
- Dallin, Alexander4
- Dallin, David J.4