- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)56,964
- Héderváry, Claire de16
- Radio Free Europe/Radio Liberty, Inc - Research Institute6
- Open Society Archives at Central European University5
- Samizdat Archives5
- Samizdat Archives of Radio Free Europe3
- Blinken, Donald2
- Fekete Doboz Alapítvány2
- Radio Free Europe and Radio Liberty, Inc.2
- Révész, Béla2
- Urban, G. R.2
- Alfred A. Reisch1
- Bauer, Christian1
- Brown, James F.1
- Clinon, William C.1
- Cummings, Richard H.1
- Czechoslovak Unit1
- Francis, Harry1
- Free Europe Committee, Inc1
- Holt, Robert T.1