- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)4,218
- Radio Free Europe/Radio Liberty, Inc - Research Institute20
- Samizdat Archives16
- Csákó, Mihály11
- Soviet Red Archives9
- Visnews6
- Samizdat Archives of Radio Free Europe5
- UPTIN5
- Pallai, Péter4
- Ulam, Adam Bruno4
- Broomfield, Nick3
- Hanák, Péter3
- Medvedev, Zhores A.3
- Open Media Research Institute3
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- Allworth, Edward2
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- Balogh, Eva S.2
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- Blackwell, William L.2