- Trotsky, Leon2
- Brogan, D. W.1
- Dahrendorf, Ralf1
- Debray, Régis1
- Deutscher, Isaac1
- Eastman, Max1
- Ellul, Jacques1
- Fischer, George1
- Hagopian, Mark N.1
- James, C. L. R.1
- Joes, Anthony James1
- Leiden, Carl1
- Mao, Zedong1
- Marx, Karl1
- Schnapp, Jeffrey T.1
- Thompson, Robert Grainger Ker1
- Timasheff, Nicholas S.1
- Tucker, Robert C.1