Matthias Strohn, The German Army and the Defense of the Reich: Military Doctrine and the Conduct of the Defensive Battle 1918-1939, Cambridge, UK: Cambridge University Press, 2011.

Matt Bucholtz is a Ph.D. candidate at the University of Calgary, under the supervision of Dr. Holger Herwig. His dissertation research concerns the political nature and activities of the German military from 1918 to 1923.