- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)461
- Samizdat Archives4
- Radio Free Europe/Radio Liberty, Inc - Research Institute3
- Samizdat Archives of Radio Free Europe3
- Bortstieber, Gertrud2
- Kahlmeyer, Benjamin2
- Open Society Archives at Central European University2
- Anders, Karl1
- Arendt, Hannah1
- Balogh, Eva S.1
- Binder, Daniel1
- Bulgarian Unit1
- Chiha, Patric1
- Csákó, Mihály1
- Dokumentationszentrum Alltagskultur der DDR (Eisenhüttenstadt)1
- Dorrie, Doris1
- Etkind, E. G.1
- Ferrero, Giorgio1
- Görlich, Johann Wolfgang1
- Hauswald, Harald1