- Héderváry, Claire de3,437
- Columbia University School of International Affairs358
- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)143
- Open Society Archives at Central European University21
- Seton-Watson, Hugh7
- Ulam, Adam B.7
- Capra, Frank6
- Laqueur, Walter6
- Carr, Edward Hallett5
- Fic, Victor M.5
- Pipes, Richard5
- Csákó, Mihály4
- Hobsbawm, E. J.4
- Lichtheim, George4
- Pacepa, Ion Mihai4
- Pastor, Peter4
- Radio Free Europe/Radio Liberty, Inc - Research Institute4
- Rauch, Georg von4
- Samizdat Archives4
- Andrew, Christopher M.3