- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)567
- Héderváry, Claire de8
- Antonov-Ovseenko, Anton1
- Berdiaev, Nikolai1
- Conquest, Robert1
- Kligman, Gail1
- Kotkin, Stephen1
- Lampland, Martha1
- Lewin, Moshe1
- Open Society Archives at Central European University1
- Pippidi, Alina-Mungiu1
- Schmemann, Serge1