- Magyar Szocialista Munkáspárt4
- Grimsted, Patricia Kennedy2
- Bajek, Elżbieta1
- Bandurka, Mieczysław1
- Baworowska, Barbara1
- Blau, Joseph L.1
- Burke, Peter1
- Cecchi, Alberto1
- Golovin, Pavel Nikolaevich1
- Gregor, Richard1
- Gruber, Helmut1
- Habielski, Rafał1
- Harré, Rom1
- Hoover Institution on War, Revolution, and Peace1
- Hungary. Belügyminisztérium. Kollégium1
- Institut istorii (Akademiia nauk SSSR). Leningradskoe otdelenie1
- Instytut Pamięci Narodowej1
- International Workingmen's Association1
- Kenedi, János1
- Koch, Hans1