- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)26
- Solzhenitsyn, Aleksandr Isaevich11
- Voinovich, Vladimir6
- Aldanov, Mark Aleksandrovich5
- Fokin, Vladimir5
- Sokolov, Sasha4
- Terts, Abram4
- Zinoviev, Aleksandr4
- Borodin, Leonid3
- Kundera, Milan3
- Le Carré, John3
- Morris, Errol3
- Open Society Archives at Central European University3
- Pilʹniak, Boris3
- Shmelev, I. S.3
- Tarsis, Valerii3
- Aczél, Tamás2
- Ajtony, Árpád2
- Antonov, Denis A.2
- Bek, Aleksandr2