- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)11
- Open Society Archives at Central European University6
- Hanák, Péter2
- Héderváry, Claire de2
- Matthews, John P. C.2
- Adam, Jan1
- Batt, Judy1
- Borsody, Stephen1
- Bozóki, András1
- Csákó, Mihály1
- Dembinski, Pawel H.1
- Doel, Theo van den1
- Fauszt, Tímea1
- Fekete, Ibolya1
- Feraru, Marcela1
- Focus on the Rusyns1
- Fox, Paul1
- Garton Ash, Timothy1
- Hajdú, Eszter1
- Hardi, Peter1