References
- Foreign Affairs Association of Japan, The Japan Year Book (Tokyo: Kenkyusha Press, 1939–40, 1941–42, 1944–45, 1945–46, 1947–48).
- Takie Sugiyama Lebra, Above the Clouds: Status Culture of the Modern Japanese Nobility (Berkeley: University of California Press, 1992).
- Ben-ami Shillony, Enigma of the Emperors: Sacred Subservience in Japanese History (Kent, U.K.: Global Oriental, 2006).
- Bix, Herbert B (2001). Hirohito and the Making of Modern Japan. Harper Perennial. ISBN 0-06-093130-2.
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