- Open Society Archives at Central European University33
- Samizdat Archives24
- Samizdat Archives of Radio Free Europe11
- Radio Free Europe/Radio Liberty, Inc - Research Institute8
- Csákó, Mihály5
- Pastor, Peter5
- Fekete Doboz Alapítvány4
- Pallai, Péter4
- American Refugee Committee3
- Gábor Magos3
- Jakab, Lajos3
- Philipp, Tibor3
- Balogh, Eva S.2
- Bortstieber, Gertrud2
- Hanák, Péter2
- Judith Gimes2
- Nóvé, Béla2
- Radio Free Europe and Radio Liberty, Inc.2
- Soviet Red Archives2
- Vajda, Júlia2