- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)8
- Lennauchfilm7
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)6
- Tsentrnauchfilm4
- Kievskaia Kinostudiia Nauchno-populiarnykh Filmov2
- Tsentralnaia Kinostudiia Detskikh i Iunosheskikh Filmov2
- Azerbaijanfilm1
- Barber, John1
- Becker, Abraham Samuel1
- Caldwell, Dan1
- Caldwell, Lawrence T.1
- Chukovskaia, Lidiia Korneevna1
- Colloque sur l'expérience soviétique et le problème national dans le monde, 1920-19391
- Demin, Mikhail1
- Drobizheva, L. M.1
- Ginzburg, Evgeniia Semenovna1
- Golinkov, D. L.1
- Gruzinskaia Studiia Nauchno-populiarnykh i Dokumentalnykh Filmov1
- Hartfeld, Hermann1
- Jones, Christopher D.1