Jabarkan Biografi dari Perlawanan Jerman terhadap Nazisme

Paul Bonart, But We Said NO, Mark Backman, 2007, .

Fred Breinersdorfer (Editor), Sophie Scholl – Die letzten Tage, 2005.

Ulrich von Hassell, The Von Hassell Diaries 1938–1944 the Story of the Forces Against Hitler Inside Germany Doubleday, 1947, . Reprint Greenwood Press, 1971, .

Donald Goddard, The Last Days of Dietrich Bonhoeffer, Harper and Roe,1976,

Gerhard Ritter, The German Resistance : Carl Goerdeler's Struggle Against Tyranny, translated by R.T. Clark, Freeport, NY: Books for Libraries Press, 1970.

Gregor Schöllgen, A Conservative Against Hitler: Ulrich von Hassell, Diplomat in Imperial Germany, the Weimar Republic, and the Third Reich, 1881–1944 New York: St. Martin's Press, 1991, .

Helena P. Page, General Friedrich Olbricht: Ein Mann des 20. Julis, 1993,

http://home.mindspring.com/~july20/  Website documenting Arnold Hencke's resistance to the NAZI party and his subsequent imprisonment at Fuhlsbüttel concentration camp, by Greg McClelland.

Sophie SchollThe Final Days film website (in English)

Sophie SchollDie letzten Tage film website (in German)