- Radio Free Europe/Radio Liberty, Inc - Research Institute13
- Samizdat Archives7
- Soviet Red Archives7
- Lewytzkyj, Borys4
- Hanák, Péter3
- Kluge, Alexander3
- Samizdat Archives of Radio Free Europe3
- Amal'rik, Andrei2
- Bahro, Rudolf2
- Kristl, Vlado2
- Nóvé, Béla2
- Open Media Research Institute2
- Sakharov, Andrei2
- Šik, Ota2
- Alfred A. Reisch1
- Analytic Research Department1
- Aron, Raymond1
- Balkan Section1
- Balluseck, Lothar von1
- Balogh, Eva S.1