- Lennauchfilm9
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)9
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)8
- Tsentrnauchfilm4
- Bukovskii, Vladimir Konstantinovich2
- Geller, Mikhail2
- Kievskaia Kinostudiia Nauchno-populiarnykh Filmov2
- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)2
- Tsentralnaia Kinostudiia Detskikh i Iunosheskikh Filmov2
- Ukrainskaia Studiia Khronikalno-dokumentalnykh Filmov2
- Alexiev, Alex1
- Azerbaijanfilm1
- Birman, Igor' IAkovlevich1
- Cox, Arthur M.1
- Dawisha, Karen1
- Dyadkin, Iosif G.1
- Ezergailis, Andrew1
- Fitzpatrick, Sheila1
- George, Alexander L.1
- Gilevich, L.1