- United States. Congress. House. Committee on Un-American Activities5
- Gerő, Ernő4
- Hahn, István4
- Halecki, Oskar4
- Hoffman, Jerzy4
- Judith Gimes4
- Karabasz, Kazimierz4
- Kennan, George F.4
- Laqueur, Walter4
- Liu, Shaoqi4
- Maclean, Fitzroy4
- Miłosz, Czesław4
- Molnár, Erik4
- Mosnauchfilm4
- Munk, Andrzej4
- Pallai, Péter4
- Révai, József4
- Seton-Watson, Hugh4
- Skórzewski, Edward4
- Szabó, Miklós4