Götz Aly. Los que sobraban. Historia de la eutanasia social en la Alemania nazi, 1939-1945.

Barcelona: Crítica, 2014.

William Harvey Maehl. August Bebel. Shadow Emperor of the German Workers.

Biblioteca / 1980-1989 William Harvey Maehl. August Bebel. Shadow Emperor of the German Workers. Filadelfia: The…

Adolf Levenstein. Die Arbeiterfrage.

Múnich: Verlag Ernst Reinhardt, 1912.

Angel Viñas. La Alemania nazi y el 18 de julio.

Madrid: Alianza, 1974.

Wilhelm L. Guttsman. The German Social Democratic Party, 1875-1933.

Londres: George Allen & Unwin, 1981.

Christian Hermann. Roter Frontkämpferbund (RFB) in Dresden und Ostsachsen 1924-1929.

Leipzig: Leipziger Universitätsverlag, 2014.

Raymond W. Postgate, ed. Revolution from 1789 to 1906.

Londres: Grant Richards, 1920.

Richard Grunberger. Red Rising in Bavaria.

Londres: Arthur Barker, 1973.

Rosa Leviné-Meyer. Leviné: The Life of a Revolutionary.

Farnborough: Saxon House, 1973.

Wilhelm Weitling. The Poor Sinner’s Gospel.

Londres/Sidney: Sheed and Ward, 1969.