- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)115
- Samizdat Archives10
- Soviet Red Archives7
- Samizdat Archives of Radio Free Europe6
- Radio Free Europe/Radio Liberty, Inc - Research Institute5
- Nóvé, Béla2
- Rohde, David2
- Vajda, Júlia2
- Alfred A. Reisch1
- Bak, Gamma1
- Beckermann, Ruth1
- Bortstieber, Gertrud1
- Communist International (Comintern)1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Csákó, Mihály1
- Engels, Friedrich1
- Farocki, Harun1
- Fekete Doboz Alapítvány1
- Fondation pour une entraide intellectuelle européenne, FEIE1
- Forced Migration Projects1