- Kautsky, Karl3
- Rákosi, Mátyás3
- Communist International2
- Dallin, David J.2
- Marx, Karl2
- Aleksinskii, Grigorii Ivanovich1
- Berdiaev, Nikolaĭ1
- Bishop, Robert1
- Bullitt, William C.1
- Chamberlin, William Henry1
- Communist International. Congress1
- Douillet, Joseph1
- Dutt, R. Palme1
- Eastman, Max1
- Fischer, Ruth1
- Herriot, Édouard1
- Ibárruri, Dolores1
- International Conference of the Executive Committees of Three International Organizations1
- James, C. L. R.1
- Josten, Josef1