- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)815
- Samizdat Archives18
- Radio Free Europe/Radio Liberty, Inc - Research Institute8
- Soviet Red Archives8
- Monitoring Unit5
- Open Media Research Institute5
- Samizdat Archives of Radio Free Europe5
- Radio Free Europe and Radio Liberty, Inc.3
- Geréb, Anna2
- Gumilev, N.2
- Hanák, Péter2
- Open Society Archives at Central European University2
- Akhtamzian, A. A.1
- Alfred A. Reisch1
- Analytic Research Department1
- Bondarchuk, Sergei1
- Clancy, Tom1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Csákó, Mihály1
- Evdokimov, Rostislav1