^Livy. Ab urbe condita (The Early History of Rome, books I–V, and The History of Rome from its Foundation, books XXI–XXX: The War with Hannibal), London; Penguin Classics, 2002 and 1976.
^Metzler, M. 2006. Lever of Empire: The International Gold Standard and the Crisis of Liberalism in Prewar Japan. Berkeley and Los Angeles: University of California Press.