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The Social Democrats in Imperial Germany: A Study in Working-Class Isolation and National Integration, by Reinhard Bendix and Guenther Roth; The Origins of Social Liberalism in Germany, by Donald G. Rohr; Stillborn Revolution: The Communist Bid for Power in Germany, 1921-1923; by Werner T. Angress; A History of the Weimar Republic. Volume II: From the Locarno Conference to Hitler’s Seizure of Power, by Erich Eyck and Harlan P. Hanson