(see also Germany & Green Party)
On the Web: Specialized Sites
In the Library: Non-Fiction Books
Markovits, Andrei S. & Philip S. Gorsky. The German Left: Red, Green, & Beyond (Cambridge: Polity, 1993).
Morgan, David W. The Socialist Left & the German Revolution: A History of the German Independent Social Democratic Party, 1917-1922 (Ithaca: Cornell, 1975).
Valtin, Jan. Out of the Night (NY: Alliance, 1941). Inter-war Communist memoir.
Wurgaft, Lewis D. The Activists: Kurt Hiller & the Politics of Action on the German Left, 1914-1933 (Philadelphia: American Philosophical Society, 1977).
Zammito, John H. The Great Debate: "Bolshevism" & the Literary Left in Germany, 1917-1930 (NY: P. Lang, 1984).