- Samizdat Archives32
- Open Media Research Institute25
- Radio Free Europe/Radio Liberty, Inc - Research Institute24
- Open Society Archives at Central European University23
- Csákó, Mihály18
- Samizdat Archives of Radio Free Europe13
- Nóvé, Béla12
- Soviet Red Archives12
- Monitoring Unit9
- Bortstieber, Gertrud8
- Philipp, Tibor7
- American Refugee Committee6
- Fekete Doboz Alapítvány6
- Jakab, Lajos6
- Pastor, Peter6
- Pallai, Péter5
- Bartók, István4
- Group Inconnu4
- Péter Forgács4
- Radio Free Europe and Radio Liberty, Inc.4