- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)565
- Radio Free Europe/Radio Liberty, Inc - Research Institute21
- Samizdat Archives15
- Csákó, Mihály11
- Soviet Red Archives9
- Open Media Research Institute5
- Pallai, Péter4
- Pastor, Peter4
- Samizdat Archives of Radio Free Europe4
- Hanák, Péter3
- Balogh, Eva S.2
- Bíró, András2
- Gábor Magos2
- Király, Béla2
- Nóvé, Béla2
- Open Society Archives at Central European University2
- Ajtony, Árpád1
- Alfred A. Reisch1
- American Refugee Committee1
- Analytic Research Department1