- Kautsky, Karl4
- Ulam, Adam B.4
- Brzezinski, Zbigniew3
- Furet, François3
- Lichtheim, George3
- Zagoria, Donald S.3
- Carr, Edward Hallett2
- Dallin, David J.2
- Geller, Mikhail2
- Hou, Fu-wu2
- Ozinga, James R.2
- Seton-Watson, Hugh2
- Snow, Edgar2
- Ulam, Adam Bruno2
- Vajda, Mihály2
- Abrams, Bradley F.1
- Agraniants, Oleg1
- Aleksinskii, Grigorii Ivanovich1
- Almond, Gabriel A.1
- Baffrey, Stephen A.1