- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)1,730
- Radio Free Europe/Radio Liberty, Inc - Research Institute20
- Samizdat Archives19
- Csákó, Mihály15
- Karanović, Srđan10
- Soviet Red Archives10
- Nóvé, Béla8
- Visnews8
- UPTIN7
- Samizdat Archives of Radio Free Europe6
- Gábor Magos5
- Judith Gimes4
- Open Media Research Institute4
- Pallai, Péter4
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)4
- Ajtony, Árpád3
- Hanák, Péter3
- Hungarian Ministry of the Interior3
- Radio Free Europe and Radio Liberty, Inc.3
- Varga, László3