- Radio Free Europe/Radio Liberty, Inc - Research Institute9
- Bortstieber, Gertrud8
- Soviet Red Archives6
- Samizdat Archives4
- Hanák, Péter3
- Héderváry, Claire de3
- Koch, Hans2
- Nóvé, Béla2
- Open Media Research Institute2
- Alfred A. Reisch1
- Analytic Research Department1
- Balkan Section1
- Balogh, Eva S.1
- Berlin, Isaiah1
- Boettcher, Erik1
- Breyer, Richard1
- Bulgarian Unit1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Csákó, Mihály1
- Czechoslovak Unit1