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Otto von Bismarck Tham khảoBusch, Moritz. Bismarck: Some secret pages from his history, 2 vols, (1898).
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Otto von Bismarck Tham khảoLiên quan
Otto von Bismarck Otto I của Thánh chế La Mã Otto Warmbier Otto Skorzeny Ottokar Czernin Ottorino Respighi Otto I của Bayern Otto Stern Otto Frisch Otto Pérez MolinaTài liệu tham khảo
WikiPedia: Otto von Bismarck http://www.amazon.com/Bismarck-German-Empire-Erich... http://www.amazon.com/Handbook-Imperial-Germany-Ja... http://books.google.com/books?id=IkgKAAAAIAAJ&pg=P... http://books.google.com/books?id=N-omE8jc9UcC&pg=P... http://books.google.com/books?id=akpzLZLxvP4C&pg=P... http://books.google.com/books?id=dEgKAAAAIAAJ&pg=P... http://books.google.com/books?id=gb_QDH2ACAgC&pg=P... http://books.google.com/books?id=iz8bAAAAMAAJ&pg=P... http://www.kbismarck.com/ottovbis.html http://www.questia.com/PM.qst?a=o&d=7561027