- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)12,922
- Héderváry, Claire de380
- Radio Free Europe/Radio Liberty, Inc - Research Institute20
- Samizdat Archives12
- Conquest, Robert11
- Soviet Red Archives9
- Csákó, Mihály7
- Mao, Zedong7
- Nove, Alec6
- Brzezinski, Zbigniew5
- Seton-Watson, Hugh5
- Trotsky, Leon5
- Dallin, Alexander4
- Deutscher, Isaac4
- Djilas, Milovan4
- Hazard, John N.4
- Kissinger, Henry4
- Lichtheim, George4
- Pallai, Péter4
- Russell, Bertrand4