- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)48
- Radio Free Europe/Radio Liberty, Inc - Research Institute9
- Samizdat Archives7
- Soviet Red Archives7
- Geréb, Anna2
- Hanák, Péter2
- Open Society Archives at Central European University2
- Radio Free Europe and Radio Liberty, Inc.2
- Samizdat Archives of Radio Free Europe2
- Al'perovich, IUrii Izrailevich1
- Alfred A. Reisch1
- Analytic Research Department1
- Belogorskii, N.1
- Belov, Anatolii Vasil'evich1
- Bogdanov, Leonid1
- Chesnokov, Dmitrii Ivanovich1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Csákó, Mihály1
- Danilenko, Dmitrii Ivanovich1
- Dovhaliuk, P. M.1