- Radio Free Europe/Radio Liberty, Inc - Research Institute15
- Samizdat Archives14
- Csákó, Mihály13
- Soviet Red Archives10
- Nóvé, Béla7
- Open Media Research Institute4
- Pastor, Peter4
- Samizdat Archives of Radio Free Europe4
- Hanák, Péter3
- Varga, László3
- Ajtony, Árpád2
- Balogh, Eva S.2
- Bíró, András2
- Cséry, László2
- Kemény, István2
- Király, Béla2
- Open Society Archives at Central European University2
- Radio Free Europe and Radio Liberty, Inc.2
- Alfred A. Reisch1
- American Refugee Committee1