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Jansen, Marius B. and John Whitney Hall, eds. (1989).  The Cambridge History of Japan: The nineteenth century. Cambridge: Cambridge University Press.  10-ISBN 0-521-22356-3; 13-ISBN 978-0-521-22356-0

Mogues, Alfred de.   Recollections of Baron Gros's Embassy to China and Japan in 1857-58. London: Richard Griffin and Company.  1860.  OCLC 6019667

Ravina, Mark. (2004).  The Last Samurai: The Life and Battles of Saigo Takamori. Hobokin, New Jersey: John Wiley and Sons. 10-ISBN 0-471-08970-2; 13-ISBN 978-0-471-08970-4;  OCLC 51898842

Totman, Conrad. (1967).  Politics in the Tokugawa bakufu, 1600-1843. Cambridge: Harvard University Press.  OCLC 279623