- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)2,473
- Samizdat Archives19
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- Soviet Red Archives8
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- Geréb, Anna2
- Hanák, Péter2
- Lisavtsev, Emilii Ivanovich2
- Open Society Archives at Central European University2
- Aitmatov, Chingiz1
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