- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)3,015
- Samizdat Archives20
- Radio Free Europe/Radio Liberty, Inc - Research Institute10
- Soviet Red Archives8
- Samizdat Archives of Radio Free Europe6
- Brezhnev, Leonid Ilʹich3
- Radio Free Europe and Radio Liberty, Inc.3
- 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
- Aver'ianov, Anatolii Nikolaevich1
- Bakhitov, M. Sh1
- Bazarbaev, Zhumanazar1
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- Bethell, Nicholas1
- Borisov, I. F.1