- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)9,769
- United States. Department of State23
- United States. Congress. Senate. Committee on Foreign Relations15
- Kennan, George F.7
- Kissinger, Henry7
- Open Media Research Institute7
- Héderváry, Claire de6
- United States. Congress. House. Committee on Foreign Affairs. Subcommittee on Europe and the Middle East6
- Brzezinski, Zbigniew4
- Griffith, William E.4
- Khrushchev, Nikita Sergeevich4
- Radio Free Europe/Radio Liberty, Inc - Research Institute4
- Dallin, Alexander3
- Laqueur, Walter3
- Rubinstein, Alvin Z.3
- Blinken, Donald2
- Dallin, David J.2
- Fic, Victor M.2
- Fischer, Louis2
- Gorbachev, Mikhail Sergeevich2