- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)3,219
- Samizdat Archives20
- Radio Free Europe/Radio Liberty, Inc - Research Institute9
- Soviet Red Archives8
- Samizdat Archives of Radio Free Europe6
- Dudko, Dmitrii4
- Open Media Research Institute4
- Radio Free Europe and Radio Liberty, Inc.3
- Chukovskaia, Lidiia Korneevna2
- Geréb, Anna2
- Hanák, Péter2
- Kopelev, Lev2
- Levitin-Krasnov, A. E.2
- Open Society Archives at Central European University2
- Zinoviev, Aleksandr2
- Alfred A. Reisch1
- Analytic Research Department1
- Armianskaia Studiia Dokumentalnykh Filmov1
- Arsenov, Pavel1
- Averbakh, Ilya1