- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)5,793
- Radio Free Europe/Radio Liberty, Inc - Research Institute20
- Samizdat Archives12
- Conquest, Robert9
- Soviet Red Archives9
- Csákó, Mihály7
- Mao, Zedong4
- Nove, Alec4
- Pallai, Péter4
- Deutscher, Isaac3
- Djilas, Milovan3
- Drachkovitch, Milorad M.3
- Hanák, Péter3
- Lasswell, Harold D.3
- Samizdat Archives of Radio Free Europe3
- Trotsky, Leon3
- Ulam, Adam B.3
- Balogh, Eva S.2
- Bell, Daniel2
- Berman, Harold J.2