His 1955 book Die Auflösung der Weimarer Republik (The Disintegration of the Weimar Republic) is his best known book, in which he ascribed the collapse of German democracy not to the Sonderweg ("special path" of German historical development) or other impersonal forces but to human action that followed conscious choice.
他1955年的书籍《Die Auflösung der Weimarer Republik》（魏玛共和的瓦解）是他最著名的著作，其中他不把德国民主制的崩溃归咎于“Sonderweg”（德国历史发展的“特殊路径”）或者其他非个人力量的因素，而是有意选择的人为行动。