- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)4,915
- Héderváry, Claire de19
- Đorđević, Aleksandar11
- Open Society Archives at Central European University8
- Broomfield, Nick7
- Kornai, János4
- Nove, Alec4
- Physicians for Human Rights4
- Conquest, Robert3
- Dyker, David A.3
- Group Inconnu3
- Hegedüs, András3
- Jakab, Lajos3
- Philipp, Tibor3
- Scott, Harriet Fast3
- Soros, George3
- Acquisto, Luigi2
- Aly, Götz2
- Brodie, Bernard2
- Csákó, Mihály2