- Fischer, George2
- Trotsky, Leon2
- Brogan, D. W.1
- Dahrendorf, Ralf1
- Danilenko, Dmitrii Ivanovich1
- Debray, Régis1
- Deutscher, Isaac1
- Eastman, Max1
- Eidelman, N. IA1
- Ellul, Jacques1
- Hagopian, Mark N.1
- James, C. L. R.1
- Joes, Anthony James1
- Johnson, Chalmers1
- Kautsky, Karl1
- Leiden, Carl1
- Lepape, Pierre1
- Mao, Zedong1
- Marx, Karl1
- Rosenstock-Huessy, Eugen1