- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)3,149
- Đorđević, Aleksandar23
- Héderváry, Claire de20
- Open Society Archives at Central European University6
- Bortstieber, Gertrud5
- Capra, Frank4
- Pabst, Georg Wilhelm4
- Aly, Götz3
- Nickel, Gitta3
- Schwarze, Wolfgang3
- Szabó, István3
- Wajda, Andrzej3
- Aleksandrov, Grigori2
- Dudko, Dmitrii2
- Dörries, Bernhard2
- Forgács, Péter2
- Goldhagen, Daniel Jonah2
- Holland, Luke2
- Kater, Michael H.2
- Périot, Jean-Gabriel2