- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)8
- Open Society Archives at Central European University6
- Capra, Frank4
- Ajtony, Árpád2
- Geréb, Anna2
- Nóvé, Béla2
- Radio Free Europe and Radio Liberty, Inc.2
- Aranovich, Semyon1
- Charbol, Claude1
- Davis, Peter1
- Dreyfus, Agathe1
- Ershov, Mikhail1
- Fehéri, Tamás1
- Film Studio of the Hungarian Workers Militia1
- Gabory, Christine1
- Hátle, Petr1
- Ivora, Cusack1
- Kabay, Barna1
- Kissel, Wolfgang , Wesnigk, Cay C.1
- Kőszegi, Edit1