- Open Society Archives at Central European University65
- Samizdat Archives26
- Radio Free Europe/Radio Liberty, Inc - Research Institute23
- Open Media Research Institute19
- Csákó, Mihály13
- Samizdat Archives of Radio Free Europe12
- Soviet Red Archives11
- American Refugee Committee6
- Pastor, Peter6
- Pallai, Péter5
- Bortstieber, Gertrud4
- Monitoring Unit4
- de Héderváry, Claire4
- Fekete Doboz Alapítvány3
- Hanák, Péter3
- Nóvé, Béla3
- Soros Foundation–Hungary3
- Szekfű, András3
- Ajtony, Árpád2
- Balogh, Eva S.2