- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)1,124
- Radio Free Europe/Radio Liberty, Inc - Research Institute19
- Samizdat Archives18
- Csákó, Mihály14
- Soviet Red Archives10
- Nóvé, Béla7
- Open Media Research Institute7
- Jakab, Lajos6
- Pastor, Peter6
- Philipp, Tibor6
- Gábor Magos5
- Monitoring Unit5
- Samizdat Archives of Radio Free Europe5
- Judith Gimes4
- Group Inconnu3
- Hanák, Péter3
- Hungarian Ministry of the Interior3
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)3
- Marples, David R.3
- Pallai, Péter3