- Ra'anan, Uri2
- Rubinstein, Alvin Z.2
- Seton-Watson, Hugh2
- Shevchenko, Arkady N.2
- Shulman, Marshall Darrow2
- Ulam, Adam Bruno2
- United States. Congress. House. Committee on Un-American Activities2
- Adamec, Ludwig W.1
- Adams, Jan S.1
- Aganbegian, Abel Gezevich1
- Akhtamzian, A. A.1
- American Federation of Labor. Free Trade Union Committee1
- Amort, Čestmír1
- Andrew, Christopher M.1
- Andrew, Christopher Maurice1
- Barghoorn, Frederick Charles1
- Beichman, Arnold1
- Beloff, Max1
- Besedovskii, Grigorii1
- Bishop, Donald G.1