- United States. Congress. House. Committee on Foreign Affairs. Subcommittee on Europe and the Middle East5
- United States. Department of State3
- Żenczykowski, Tadeusz3
- Bukovskii, Vladimir Konstantinovich2
- Fehér, Ferenc2
- Henze, Paul B.2
- Lenin, Vladimir Ilʹich2
- Lewis, William Julian2
- Manchester, William2
- Mlynář, Zdeněk2
- Stevenson, William2
- Szczypiorski, Andrzej2
- United States. Congress. House. Committee on Foreign Affairs2
- Wyszyński, Stefan2
- Aczél, Tamás1
- Ahmed, Akbar S.1
- Albright, Madeleine Korbel1
- Alekseev, Dmitrii Ivanovich1
- Alexiev, Alex1
- Amalʹrik, Andrei1