- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)3,605
- Physicians for Human Rights62
- Héderváry, Claire de45
- David Rohde8
- Ginzburg, Evgeniia Semenovna5
- Open Society Archives at Central European University5
- Samizdat Archives5
- Broomfield, Nick3
- Buber-Neumann, Margarete3
- Columbia University School of International Affairs3
- Czapski, Józef3
- Fehérváry, István3
- Radio Free Europe/Radio Liberty, Inc - Research Institute3
- Szász, Béla3
- Adler, Nanci2
- Amal'rik, Andrei2
- Amnesty International2
- Bethell, Nicholas2
- Bukovskii, Vladimir Konstantinovich2
- Choephel, Ngawang2