- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)1,688
- Héderváry, Claire de19
- Open Media Research Institute4
- Radio Free Europe/Radio Liberty, Inc - Research Institute4
- Open Society Archives at Central European University3
- Samizdat Archives3
- Samizdat Archives of Radio Free Europe3
- Şimşir, Bilâl N.3
- Broomfield, Nick2
- Carrère d'Encausse, Hélène2
- Conquest, Robert2
- Dobriansky, Lev E.2
- Kocsis, Károly2
- Lewytzkyj, Borys2
- Nóvé, Béla2
- Selia, Subir Che2
- Shoup, Paul2
- Silnitskii, Frantishek2
- Alexander, John T.1
- Allworth, Edward1