- Trotsky, Leon5
- Rühle, Jürgen4
- Seton-Watson, Hugh4
- Chiaureli, Mikhail2
- Eisenstein, Sergei2
- Figes, Orlando2
- Fischer, George2
- Katkov, George2
- Pipes, Richard2
- Sukhanov, N. N.2
- Tucker, Robert C.2
- Yutkevich, Sergei2
- Zeman, Z. A. B.2
- Abraham, Richard1
- Abramovitch, Raphael R.1
- Aleksandrov, Grigori1
- Aleksinskii, Grigorii Ivanovich1
- Alisjahbana, S. Takdir1
- Anderson, Jon Lee1
- Andrieu, René1