- Rákosi, Mátyás5
- Marx, Karl3
- Petrov, Vladimir2
- Révai, József2
- Shmelev, I. S.2
- United States. Department of State2
- American Federation of Labor1
- Ascoli, Max1
- Balzak, S. S.1
- Blau, Joseph L.1
- Boldizsár, Iván1
- Buber-Neumann, Margarete1
- Bucar, Annabelle1
- Clissold, Stephen1
- Cole, George Douglas Howard1
- Counts, George S.1
- Czapski, Józef1
- Dallin, David J.1
- Duranty, Walter1
- Ely, Louis Brainerd1