- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)1,239
- Héderváry, Claire de40
- Radio Free Europe/Radio Liberty, Inc - Research Institute19
- Soviet Red Archives8
- Samizdat Archives6
- Csákó, Mihály5
- Pallai, Péter4
- Hanák, Péter3
- Balogh, Eva S.2
- Bortstieber, Gertrud2
- Bíró, András2
- Chabod, Federic2
- Gábor Magos2
- Nóvé, Béla2
- Open Media Research Institute2
- Open Society Archives at Central European University2
- Solzhenitsyn, Aleksandr Isaevich2
- Abshire, David M.1
- Alfred A. Reisch1
- Analytic Research Department1