- Acton, H. B.1
- Althusser, Louis1
- Ciołkosz, Adam1
- Djilas, Milovan1
- Garaudy, Roger1
- Hermann, István1
- Lowe, Donald M.1
- McLellan, David1
- Symposium on the Role of Karl Marx in the Development of Contemporary Scientific Thought1
- Tucker, Robert C.1
- Vas, Zoltán1
- Zeitlin, Irving M.1