- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)18
- Radio Free Europe/Radio Liberty, Inc - Research Institute8
- Soviet Red Archives6
- Bortstieber, Gertrud5
- Samizdat Archives5
- Geréb, Anna2
- Hanák, Péter2
- Open Society Archives at Central European University2
- Radio Free Europe and Radio Liberty, Inc.2
- Achminow, Herman F.1
- Alfred A. Reisch1
- Analytic Research Department1
- Arbatsky, Yury1
- Artemʹev, Viacheslav P.1
- Bakuradze, O. M.1
- Bek, Aleksandr1
- Communist International (Comintern)1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Csákó, Mihály1
- Hegedüs, András1