- Seton-Watson, Hugh4
- Miliukov, P. N.3
- Raeff, Marc3
- Berdiaev, Nikolai2
- Burdzhalov, E. N.2
- Custine, Astolphe2
- Germanika, Valeriya Gay2
- Golovnia, B.2
- Katkov, George2
- Orozaliev, K.2
- Pasternak, Boris Leonidovich2
- Pipes, Richard2
- Service, Robert2
- Smirnov, B.2
- Vernadsky, George2
- Waliszewski, Kazimierz2
- Abraham, Richard1
- Abrikosov, Dmitriĭ Ivanovich1
- Alexander, John T.1
- Arutiunian, IUrii Vartanovich1