- Radio Free Europe/Radio Liberty, Inc - Research Institute21
- Samizdat Archives15
- Csákó, Mihály12
- Soviet Red Archives10
- Nóvé, Béla9
- Gábor Magos5
- Judith Gimes4
- Pallai, Péter4
- Hanák, Péter3
- Hungarian Ministry of the Interior3
- Radio Free Europe and Radio Liberty, Inc.3
- Samizdat Archives of Radio Free Europe3
- Varga, László3
- Balogh, Eva S.2
- Bíró, András2
- Cséry, László2
- Geréb, Anna2
- Kemény, István2
- Open Media Research Institute2
- Open Society Archives at Central European University2