- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)763
- Samizdat Archives8
- Samizdat Archives of Radio Free Europe7
- Lewytzkyj, Borys6
- Soviet Red Archives6
- Radio Free Europe/Radio Liberty, Inc - Research Institute4
- Bortstieber, Gertrud3
- Borcke, Astrid von2
- Buber-Neumann, Margarete2
- Gorbachev, Mikhail Sergeevich2
- Sakharov, Andrei2
- Specovius, Günther2
- Accoce, Pierre1
- Afanasʹev, IU. N.1
- Alʹbats, Evgeniia1
- Amal'rik, Andrei1
- Andreev, Vasilii1
- Bakatin, V. V.1
- Baranskii, N. N.1
- Berdiaev, Nikolai1