- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)137
- Open Society Archives at Central European University4
- Héderváry, Claire de2
- Marchetti, Victor2
- Andonov, Ivan1
- Bacsó, Péter1
- Bareja, Stanisław1
- Chepelyk, Oksana1
- Chiaureli, Mikhail1
- Dykhovichnyj, Ivan1
- Dziworski, Bogdan1
- Goodrick-Clarke, Nicholas1
- Kaplan, Jeffrey1
- Keen, Andrew1
- Khrushchev, Nikita Sergeevich1
- Kondratiuk, Andrzej1
- Kondratiuk, Janusz Janusz Kondratiuk1
- Kriza, Bori1
- Kurov, Askold1
- Machulski, Juliusz1