- Engels, Friedrich12
- Bottomore, T. B.2
- Nagy, Tamás2
- Rudas, László2
- Aveling, Edward B.1
- Balibar, Étienne1
- Bender, Frederic L.1
- Fitzgerald, Edward1
- Fuchs, Eduard1
- Garami, Ernő1
- Gemkow, Heinrich1
- Gemkow, Hilde1
- Hobsbawm, E. J.1
- Hobsbawm, E. J. (Eric J.)1
- Kliem, Manfred1
- Kálmán, Endre1
- Lenin, Vladimir Ilʹich1
- Mattick, Paul1
- Mayer, Milton1
- Meyer-Clason, Curt1