- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)8,450
- Samizdat Archives27
- Radio Free Europe/Radio Liberty, Inc - Research Institute19
- Open Media Research Institute18
- Csákó, Mihály15
- Samizdat Archives of Radio Free Europe12
- Soviet Red Archives12
- Blinken, Donald9
- Monitoring Unit8
- Nóvé, Béla7
- Pastor, Peter7
- Jakab, Lajos6
- American Refugee Committee5
- Broomfield, Nick5
- Bartók, István4
- Fekete Doboz Alapítvány4
- Kemény, István4
- Seminar Moskovskoi khelʹsinkskoi gruppy "Prava cheloveka"4
- Sipos, András4
- United States. Department of State4