- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)130
- Radio Free Europe/Radio Liberty, Inc - Research Institute8
- Soviet Red Archives7
- Aldanov, Mark Aleksandrovich5
- Bortstieber, Gertrud5
- Samizdat Archives5
- Chiaureli, Mikhail4
- Romm, Mikhail4
- Aleksandrov, Grigori3
- Donskoy, Mark3
- Kalatozov, Mikhail3
- Pyriev, Ivan3
- Raizman, Yuli3
- Sedykh, Andrei3
- Shmelev, I. S.3
- Skvortsov-Stepanov, Ivan Ivanovich3
- Agar, Herbert2
- Erenburg, Ilʹia2
- Geréb, Anna2
- Hanák, Péter2