- Radio Free Europe/Radio Liberty, Inc - Research Institute20
- Samizdat Archives19
- Csákó, Mihály10
- Soviet Red Archives9
- Nóvé, Béla6
- Samizdat Archives of Radio Free Europe6
- Gábor Magos5
- Judith Gimes4
- Open Media Research Institute4
- Pallai, Péter3
- Pastor, Peter3
- 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
- Bíró, András1
- Cséry, László1