- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)23
- Héderváry, Claire de9
- David Rohde7
- Open Society Archives at Central European University4
- Physicians for Human Rights4
- CIA (Central Intelligence Agency)3
- Ajtony, Árpád2
- Broomfield, Nick2
- Robert H. Silk2
- The New York Times2
- US Department of State2
- Achinstein, Peter1
- Acquisto, Luigi1
- Aly, Götz1
- Andersen, Nicolai1
- Bann, Roy1
- Bergkraut, Eric1
- Bevan, Robert1
- Biber, Katherine1
- Bosworth, R. J. B.1