- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)21
- Arbizu, Susana1
- Belin, Henri1
- Brookhiser, Richard1
- Gleason, Gregory1
- Group Inconnu1
- Ivens, Joris1
- Jakab, Lajos1
- Kalyvas, Andreas1
- Liberman, Lillian1
- Lindsey, Brink1
- Paković, Zlatko1
- Philipp, Tibor1
- Sheridan, James E.1
- Soviet Red Archives1
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)1
- Tsentrnauchfilm1
- Vágvölgyi, Tibor1