- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)1,482
- Héderváry, Claire de22
- Open Society Archives at Central European University12
- Samizdat Archives12
- Samizdat Archives of Radio Free Europe6
- Fokin, Vladimir5
- Bortstieber, Gertrud4
- Csákó, Mihály3
- Philipp, Tibor3
- Bartók, István2
- Broomfield, Nick2
- Churchill, Joan2
- Dashuk, Viktar2
- Elbert, Márta2
- Group Inconnu2
- Jakab, Lajos2
- Jancsó, Miklós2
- Konnyu, Leslie2
- Mead, Margaret2
- Physicians for Human Rights2