- Radio Free Europe/Radio Liberty, Inc - Research Institute18
- Samizdat Archives18
- Csákó, Mihály10
- Soviet Red Archives9
- Nóvé, Béla7
- Samizdat Archives of Radio Free Europe6
- Pallai, Péter3
- Ajtony, Árpád2
- Balogh, Eva S.2
- Hanák, Péter2
- Hungarian Ministry of the Interior2
- Open Media Research Institute2
- Radio Free Europe and Radio Liberty, Inc.2
- British Broadcasting Corporation, Written Archive Centre1
- Cséry, László1
- Geréb, Anna1
- Great Britain, Foreign and Commonwealth Office1
- Kemény, István1
- Philipp, Tibor1
- Privát Fotó és Film Alapítvány1