Zu den Fragen des Leninismus 📘 book | German Primary author Stálin, Joseph Publisher Fischer Place of Publication Frankfurt am Main Date of Publication 1970-09
Zwischen Spartakus und Sozialdemokratie. Schriften, Aufsätze, Reden und Briefe 📘 book | German Primary author Levi, Paul Publisher EVA Place of Publication Frankfurt am Main Date of Publication 1969
[Goulooze, Daniël "Daan"] Daan Goulooze. Uit het leven van een communist 📘 book | Dutch;Flemish Primary author Harmsen, Ger Publisher Ambo Place of Publication Utrecht Date of Publication 1967
[Luxemburg, Rosa (Junius; Rosa)] Rosa Luxemburg, Gedanke und Tat 📘 book | German Primary author Frölich, Paul Publisher EVA Place of Publication Frankfurt am Main Date of Publication 1973 (1939)