- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)592
- Samizdat Archives13
- Open Media Research Institute8
- Samizdat Archives of Radio Free Europe7
- Soviet Red Archives7
- Solzhenitsyn, Aleksandr Isaevich5
- Avtorkhanov, Abdurakhman4
- Berdiaev, Nikolai4
- Brezhnev, Leonid Ilʹich4
- Chalidze, Valerii4
- Geller, Mikhail4
- Monitoring Unit4
- Radio Free Europe/Radio Liberty, Inc - Research Institute4
- Zemtsov, Ilya4
- Zinoviev, Aleksandr4
- Medvedev, Zhores A.3
- Open Society Archives at Central European University3
- Radio Free Europe and Radio Liberty, Inc.3
- Svirskii, Grigorii3
- Trotsky, Leon3