- Samizdat Archives12
- Radio Free Europe/Radio Liberty, Inc - Research Institute11
- Soviet Red Archives9
- Samizdat Archives of Radio Free Europe8
- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)6
- Open Media Research Institute4
- Hanák, Péter3
- Bahrmann, Hannes2
- David Rohde2
- Halász, Előd2
- Nóvé, Béla2
- Open Society Archives at Central European University2
- Roggemann, Herwig2
- Rohde, David2
- Soros Foundation–Hungary2
- Szekfű, András2
- Alfred A. Reisch1
- Alʹbats, Evgeniia1
- Analytic Research Department1
- Auerbach, Thomas1