- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)313
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)3
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)3
- Bagwell, Orlando2
- Dassier, Jean-Claude2
- Lennauchfilm2
- Schiffer, Pál2
- Bajob, Filip1
- Bondarchuk, Sergei1
- Crossley, Callie1
- DeVinney, James A.1
- Dragan, Mircea1
- Gruzinskaia Studiia Nauchno-populiarnykh i Dokumentalnykh Filmov1
- Gvardiol, Zelimir1
- Jeles, András1
- Le Gall, Patrick1
- Ljubić, Vesna1
- Nikolić, Živko1
- Plaat, Henri1
- Shevchenko, Vladimir1