- Samizdat Archives30
- Open Media Research Institute25
- Open Society Archives at Central European University23
- Radio Free Europe/Radio Liberty, Inc - Research Institute22
- Csákó, Mihály18
- Samizdat Archives of Radio Free Europe12
- Soviet Red Archives12
- Monitoring Unit9
- Nóvé, Béla8
- Philipp, Tibor7
- American Refugee Committee6
- Fekete Doboz Alapítvány6
- Jakab, Lajos6
- Pastor, Peter6
- Bartók, István4
- Group Inconnu4
- Pallai, Péter4
- Péter Forgács4
- Witness, Inc.4
- Ajtony, Árpád3