- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)19,601
- Héderváry, Claire de380
- Radio Free Europe/Radio Liberty, Inc - Research Institute22
- Samizdat Archives17
- Conquest, Robert13
- Csákó, Mihály11
- Soviet Red Archives9
- Medvedev, Roy Aleksandrovich8
- Solzhenitsyn, Aleksandr Isaevich8
- Broomfield, Nick7
- Mao, Zedong7
- Ulam, Adam B.7
- Brzezinski, Zbigniew6
- Djilas, Milovan6
- Medvedev, Zhores A.6
- Nove, Alec6
- Schapiro, Leonard Bertram6
- Trotsky, Leon6
- United States. Congress. Senate. Committee on Foreign Relations6
- Visnews6