- Seton-Watson, Hugh4
- Miliukov, P. N.3
- Raeff, Marc3
- Berdiaev, Nikolai2
- Burdzhalov, E. N.2
- Custine, Astolphe2
- Katkov, George2
- Pasternak, Boris Leonidovich2
- Pipes, Richard2
- Vernadsky, George2
- Waliszewski, Kazimierz2
- Abraham, Richard1
- Abrikosov, Dmitriĭ Ivanovich1
- Alexander, John T.1
- Arutiunian, IUrii Vartanovich1
- Astrov, N. I.1
- Averbukh, Mark1
- Blackstock, Paul W.1
- Bock, Maria Stolypina1
- Bourdon, Georges1