- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)401
- Héderváry, Claire de6
- Open Society Archives at Central European University5
- Dallin, David J.4
- Fic, Victor M.4
- Pipes, Richard4
- Salisbury, Harrison E.4
- Seton-Watson, Hugh4
- Ulam, Adam B.4
- Capra, Frank3
- Deutscher, Isaac3
- Fischer, Louis3
- Florinsky, Michael T.3
- Grigor, Murray3
- Kennan, George F.3
- Open Media Research Institute3
- Politkovskaia, Anna3
- Raeff, Marc3
- Rauch, Georg von3
- Solzhenitsyn, Aleksandr Isaevich3