- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)1,960
- Samizdat Archives20
- Radio Free Europe/Radio Liberty, Inc - Research Institute10
- Soviet Red Archives8
- Samizdat Archives of Radio Free Europe6
- Radio Free Europe and Radio Liberty, Inc.3
- Brezhnev, Leonid Ilʹich2
- Geréb, Anna2
- Hanák, Péter2
- Medvedev, Zhores A.2
- Open Media Research Institute2
- Open Society Archives at Central European University2
- Alfred A. Reisch1
- Analytic Research Department1
- Bakhitov, M. Sh1
- Bazarbaev, Zhumanazar1
- Belinkov, Arkadii1
- Borisov, I. F.1
- Chernenko, Vladimir Aleksandrovich1
- Constitutional and Legal Policy Institute at OSI-Budapest1