- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)11
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)8
- Lennauchfilm6
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)5
- Geller, Mikhail3
- Tsentrnauchfilm3
- Cohen, Stephen F.2
- Shevchenko, Arkady N.2
- Chernenko, K. U.1
- Conquest, Robert1
- Corson, William R.1
- Daniels, Robert Vincent1
- Davidenko, G.1
- Dawisha, Karen1
- Doroshenko, V. S.1
- Dyker, David A.1
- Fel'shtinskii, IUrii1
- Filatʹev, D. V.1
- Fitzpatrick, Sheila1
- Gehrmann, Udo1