- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)34
- Open Society Archives at Central European University4
- Polgári Védelem Országos Parancsnokság3
- von Trotha, Desiree2
- Abrahams, Anna1
- Baker, David1
- Bater, James H.1
- Belc, Alexandru1
- Broadbent, Lucinda1
- Bromke, Adam1
- Brooks, Jeffrey1
- Bódy, Gábor1
- Chasnoff, Debra1
- Collins, Hugh1
- Conway, Martin1
- Dominguez, Nitza Kakoseos1
- Domke, Johanna1
- Draškić, Ljubomir1
- Dyulgerov, Georgi1
- Ekman, Alice1