- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)4,695
- Héderváry, Claire de13
- Open Media Research Institute9
- United States. Congress. Commission on Security and Cooperation in Europe7
- David Rohde5
- Open Society Archives at Central European University4
- Barash, Adi3
- Shatz, Ruthie3
- Varga, László3
- Đorđević, Aleksandar3
- Bassiouni, M. Cherif2
- Bíró, András2
- Capra, Frank2
- Hungarian Ministry of the Interior2
- Kluge, Alexander2
- Kovačević, Dušan2
- Polgári Védelem Országos Parancsnokság2
- Radio Free Europe/Radio Liberty, Inc - Research Institute2
- Soviet Red Archives2
- UNPROFOR2