See Bismarck, the Man and the Statesman (his reminiscences, tr. by A. J. Butler, 1898, repr. 1966); biographies by A. J. P. Taylor (1955, repr. 1985) and J. Steinberg (2011); E. Eyck, Bismarck and the German Empire (3d ed. 1968); O. Pflanze, Bismarck and the Development of Germany (2d ed. 1971).
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