- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)5
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)5
- Lennauchfilm4
- Medvedev, Roy Aleksandrovich4
- Carrère d'Encausse, Hélène3
- Avtorkhanov, Abdurakhman2
- Etkind, E. G.2
- Grigorenko, P. G.2
- Kievskaia Kinostudiia Nauchno-populiarnykh Filmov2
- Tsentrnauchfilm2
- Ukrainskaia Studiia Khronikalno-dokumentalnykh Filmov2
- Abouchar, Alan1
- Andreyev, Olga Chernov1
- Armstrong, John Alexander1
- Azerbaijanfilm1
- Belarusfilm1
- Belotserkovskii, Vadim1
- Belov, Anatolii Vasilʹevich1
- Bieńkowski, Władysław1
- Borisov, Oleg Borisovich1