- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)128,960
- Héderváry, Claire de16
- Radio Free Europe/Radio Liberty, Inc - Research Institute6
- Open Society Archives at Central European University5
- Samizdat Archives5
- Radio Free Europe and Radio Liberty, Inc.4
- Samizdat Archives of Radio Free Europe3
- Blinken, Donald2
- Cummings, Richard H.2
- Fekete Doboz Alapítvány2
- Machcewicz, Paweł2
- Radio Free Europe2
- Révész, Béla2
- Shevchik, E. V.2
- Simándi, Irén2
- Urban, G. R.2
- Alfred A. Reisch1
- BBC1
- Bauer, Christian1
- Bernard, Noel1