Hitler's mistakes.

by Lewin, Ronald
Published: New York : Morrow, 1984.

Library: Center for Research on Antisemitism, Technical University (Berlin)

Über den Irrtum : eine Kritik unserer Anschauungen / von Carl Haensel

by Haensel, Carl 1889-1968
Published: Berlin : Fischer, 1941

Library: Topography of Terror (Berlin)