*''This article was written by [[User:LordAmeth]] for both Wikipedia and the Samurai Archives; the author gives permission for his work to be used in this way.''
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<references/>
*Frederic, Louis (2002). "Japan Encyclopedia." Cambridge, Massachusetts: Harvard University Press.
*Frederic, Louis (2002). "Japan Encyclopedia." Cambridge, Massachusetts: Harvard University Press.
*Smits, Gregory (1999). "Visions of Ryukyu: Identity and Ideology in Early-Modern Thought and Politics." Honolulu: University of Hawai'i Press.
*Smits, Gregory (1999). "Visions of Ryukyu: Identity and Ideology in Early-Modern Thought and Politics." Honolulu: University of Hawai'i Press.