- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)316
- Radio Free Europe/Radio Liberty, Inc - Research Institute18
- Samizdat Archives15
- Csákó, Mihály10
- Soviet Red Archives9
- Open Media Research Institute7
- Pastor, Peter6
- Samizdat Archives of Radio Free Europe4
- Hanák, Péter3
- Marples, David R.3
- Monitoring Unit3
- Pallai, Péter3
- Şimşir, Bilâl N.3
- Balogh, Eva S.2
- Bíró, András2
- Gábor Magos2
- Király, Béla2
- Nóvé, Béla2
- Open Society Archives at Central European University2
- Soros Foundation–Hungary2