- Samizdat Archives26
- Radio Free Europe/Radio Liberty, Inc - Research Institute20
- Csákó, Mihály12
- Samizdat Archives of Radio Free Europe10
- Soviet Red Archives10
- Open Media Research Institute7
- Nóvé, Béla6
- Philipp, Tibor6
- Fekete Doboz Alapítvány5
- Gábor Magos5
- Jakab, Lajos5
- Monitoring Unit5
- Pastor, Peter5
- Judith Gimes4
- Group Inconnu3
- Pallai, Péter3
- Ajtony, Árpád2
- American Refugee Committee2
- Balogh, Eva S.2
- Hanák, Péter2