- Berlin, Isaiah2
- Mehring, Franz2
- Tőkei, Ferenc2
- Acton, H. B.1
- Althusser, Louis1
- Bakuradze, O. M.1
- Ciołkosz, Adam1
- Djilas, Milovan1
- Dobb, Maurice1
- Eastman, Max1
- Garaudy, Roger1
- Hermann, István1
- Hobsbawm, E. J.1
- Hunt, R. N. Carew1
- Kautsky, Karl1
- Lash, Nicholas1
- Lowe, Donald M.1
- Marx, Karl1
- Mattick, Paul1
- McLellan, David1