- Conquest, Robert3
- Khrushchev, Nikita Sergeevich3
- Medvedev, Roy Aleksandrovich3
- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)2
- Sebag Montefiore, Simon2
- Avtorkhanov, Abdurakhman1
- Baberowski, Jörg1
- Bazhanov, Boris1
- Beria, Sergo Lavrentevich1
- Bortoli, Georges1
- Brackman, Roman1
- Brandt, Conrad1
- Carmichael, Joel1
- Fitzpatrick, Sheila1
- Gorlizki, Yoram1
- James, C. L. R.1
- Kotkin, Stephen1
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)1
- Morozow, Michael1
- Niekrasz, Lech1