- Dallin, David J.2
- Bullitt, William C.1
- Bączkowski, Włodzimierz1
- Carr, Edward Hallett1
- Lehrman, Harold Arthur1
- Library of Congress. Legislative Reference Service1
- Mosley, Oswald1
- Roucek, Joseph S.1
- Scottish League for European Freedom1
- Syrkin, Marie1
- Toynbee, Arnold1
- Trotsky, Leon1
- United States. Congress. Senate. Committee on Foreign Relations1