- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)26
- Radio Free Europe/Radio Liberty, Inc - Research Institute8
- Soviet Red Archives7
- Bortstieber, Gertrud5
- Samizdat Archives5
- Geréb, Anna2
- Hanák, Péter2
- Ivchenko, Viktor2
- Open Society Archives at Central European University2
- Radio Free Europe and Radio Liberty, Inc.2
- Alfred A. Reisch1
- Analytic Research Department1
- Azizbekova, P. A.1
- Babushkin, Aleksei Nikitich1
- Bogolepov, Aleksandr A.1
- Bogolepov, Aleksandr Aleksandrovich1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Csákó, Mihály1
- Film Studio of the Hungarian Workers Militia1
- Hegedüs, András1