- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)12,036
- United States. Department of State23
- United States. Congress. Senate. Committee on Foreign Relations15
- Kennan, George F.9
- Brzezinski, Zbigniew8
- Kissinger, Henry8
- Open Media Research Institute7
- Héderváry, Claire de6
- United States. Congress. House. Committee on Foreign Affairs. Subcommittee on Europe and the Middle East6
- Griffith, William E.4
- Khrushchev, Nikita Sergeevich4
- Radio Free Europe/Radio Liberty, Inc - Research Institute4
- Dallin, Alexander3
- Fischer, Louis3
- Harriman, W. Averell3
- Haykal, Muḥammad Ḥasanayn3
- Hoxha, Enver3
- Koval'skii, Nikolai Aleksandrovich3
- Laqueur, Walter3
- Rubinstein, Alvin Z.3