- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)17
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)3
- Lennauchfilm2
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)2
- Akhtamzian, A. A.1
- Ball, Alan M.1
- Blasier, Cole1
- Blinken, Antony J.1
- Bookbinder, Alan1
- Brzezinski, Zbigniew1
- Childs, David1
- Colton, Timothy J.1
- Derbyshire, Ian1
- Doder, Dusko1
- Geller, Mikhail1
- Geyer, Dietrich1
- Goldman, Marshall I.1
- Gomulka, Stanislaw1
- Gruzinskaia Studiia Nauchno-populiarnykh i Dokumentalnykh Filmov1
- Grzybowski, Kazimierz1