- Kádri, M. C.1
- Kündig-Steiner, Werner1
- Lamprecht, Gerhard1
- Magos-Gimes, Judit1
- Magyar Film Intézet1
- Miklós Hollós1
- Molotov, Vyacheslav Mikhaylovich1
- Moscow. Institut marksizma-leninizma1
- Nagy, Imre1
- Norwid, Cyprian1
- Noël, Léon1
- Open Society Archives at Central European University1
- Plekhanov, Georgii Valentinovich1
- Położyński, Antoni1
- Pudovkin, Vsevolod1
- Romanian Unit1
- Rákosi, Mátyás1
- Samizdat Archives of Radio Free Europe1
- Schenkel, Gotthilf Adolf1
- Schulberg, Stuart1