- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)1,183
- Samizdat Archives24
- Samizdat Archives of Radio Free Europe11
- Soviet Red Archives10
- Radio Free Europe/Radio Liberty, Inc - Research Institute8
- Open Media Research Institute6
- Monitoring Unit5
- Hanák, Péter2
- Open Society Archives at Central European University2
- Radio Free Europe and Radio Liberty, Inc.2
- Aleksandr, Archimandrite1
- Alfred A. Reisch1
- Analytic Research Department1
- Aranovich, Semyon1
- Avtorkhanov, Abdurakhman1
- Babel', I.1
- Beizer, M.1
- Belikov, Mikhail1
- Berdiaev, Nikolai1
- Böhme, Jakob1