- Radio Free Europe/Radio Liberty, Inc - Research Institute11
- Soviet Red Archives6
- Samizdat Archives5
- Bortstieber, Gertrud4
- Hanák, Péter3
- Nóvé, Béla2
- Open Media Research Institute2
- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)2
- Specovius, Günther2
- Alfred A. Reisch1
- Analytic Research Department1
- Anders, Karl1
- Balkan Section1
- Balogh, Eva S.1
- Blumenfeld, Kurt1
- Bulgarian Unit1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Csákó, Mihály1
- Czechoslovak Unit1
- Djilas, Milovan1