- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)20
- David Rohde3
- Open Society Archives at Central European University2
- The New York Times2
- Alemu, Getaneh1
- Apostolidis, Andreas1
- Applebaum, Anne1
- Astraka-Yorgos, Fotiadis Marianna1
- Bortstieber, Gertrud1
- Choffat, Frédéric1
- Communist International (Comintern)1
- Cummings, Richard H.1
- Didi-Huberman, Georges1
- Falasca-Zamponi, Simonetta1
- Ferrero, Giorgio1
- Goldsmith, Kenneth1
- Herzog, Werner1
- Iteanu, Andre1
- John F. Kennedy School of Government, Harvard University1
- Kapon, Eytan1