- Radio Free Europe/Radio Liberty, Inc - Research Institute20
- Samizdat Archives19
- Csákó, Mihály11
- Soviet Red Archives9
- Nóvé, Béla6
- Samizdat Archives of Radio Free Europe5
- Open Media Research Institute4
- Pallai, Péter3
- Pastor, Peter3
- Philipp, Tibor3
- Ajtony, Árpád2
- Balogh, Eva S.2
- Hanák, Péter2
- Hungarian Ministry of the Interior2
- Radio Free Europe and Radio Liberty, Inc.2
- American Refugee Committee1
- British Broadcasting Corporation, Written Archive Centre1
- Cséry, László1
- Geréb, Anna1
- Great Britain, Foreign and Commonwealth Office1