- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)45
- Samizdat Archives12
- Samizdat Archives of Radio Free Europe6
- Chalidze, Valerii2
- Monitoring Unit2
- Radio Free Europe and Radio Liberty, Inc.2
- Agraniants, Oleg1
- Buchner, Christiane1
- Büchner, Christiane1
- Eremenko, Ekaterina1
- Korelʹskii, V. M.1
- Popov, Sergei Ivanovich1
- Soviet Red Archives1
- Tyulkin, Vladimir1
- Voronkov, Maxim1
- Zemtsov, Ilya1
- Zinoviev, Aleksandr1