- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)1,445
- Héderváry, Claire de11
- David Rohde3
- Papp, Gábor Zsigmond3
- Radio Free Europe/Radio Liberty, Inc - Research Institute3
- Ajtony, Árpád2
- Nicolson, Harold2
- Open Society Archives at Central European University2
- Thayer, Charles W.2
- US Department of State2
- Abrikosov, Dmitriĭ Ivanovich1
- Alfred A. Reisch1
- Andorka, Rudolf1
- Antonov-Ovseenko, Anton1
- Balakian, Peter1
- Betke, Ingo1
- Bierman, John1
- Bucar, Annabelle1
- Bíró, András1
- CIA (Central Intelligence Agency)1