- Samizdat Archives4
- Hanák, Péter2
- Open Society Archives at Central European University2
- Radio Free Europe/Radio Liberty, Inc - Research Institute2
- Samizdat Archives of Radio Free Europe2
- Alexeev, Vasilii Ivanovich1
- Alfred A. Reisch1
- Communist International (Comintern)1
- Csákó, Mihály1
- Goroulev, Yuri1
- Information Services Department1
- Johnson, Thomas1
- Kun, Miklós1
- Lahusen, Thomas1
- Mutsolgova, Fatima1
- Open Media Research Institute1
- Radio Free Europe and Radio Liberty, Inc.1
- Research and Analysis Department1
- Romanian Unit1
- Roussilon, Thomas1