Hammer, Joshua. (2006). Yokohama Burning: the Deadly 1923 Earthquake and Fire that Helped Forge the Path to World War II, p. 278 （页面存档备份，存于互联网档案馆）, citing Francis Hawks, (1856). Narrative of the Expedition of an American Squadron to the China Seas and Japan Performed in the Years 1852, 1853 and 1854 under the Command of Commodore M.C. Perry, United States Navy, Washington: A.O.P. Nicholson by order of Congress, 1856; originally published in Senate Executive Documents, No. 34 of 33rd Congress, 2nd Session.
Hammer, Joshua. (2006). Yokohama Burning: the Deadly 1923 Earthquake and Fire that Helped Forge the Path to World War II, p. 278 （页面存档备份，存于互联网档案馆）, citing Francis Hawks, (1856). Narrative of the Expedition of an American Squadron to the China Seas and Japan Performed in the Years 1852, 1853 and 1854 under the Command of Commodore M.C. Perry, United States Navy, Washington: A.O.P. Nicholson by order of Congress, 1856; originally published in Senate Executive Documents, No. 34 of 33rd Congress, 2nd Session.
