- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)2,743
- Khrushchev, Nikita Sergeevich5
- Dallin, David J.3
- Gunther, John3
- Institut zur Erforschung der UdSSR3
- Lennauchfilm3
- Bączkowski, Włodzimierz2
- Crankshaw, Edward2
- Garthoff, Raymond L.2
- Kennan, George F.2
- Laqueur, Walter2
- Litvinov, M. M.2
- Rauch, Georg von2
- Shub, Boris2
- United States. Congress. House. Committee on Un-American Activities2
- Achminow, Herman F.1
- American Federation of Labor. Free Trade Union Committee1
- Aminado1
- Anderson, Herbert Foster1
- Balzak, S. S.1