*[[Robert Sakai|Sakai, Robert K.]], “The Ryukyu (Liu-ch’iu) Islands as a Fief of Satsuma,” in [[John K. Fairbank]], ''The Chinese World Order'', Harvard University Press (1968), 122. | *[[Robert Sakai|Sakai, Robert K.]], “The Ryukyu (Liu-ch’iu) Islands as a Fief of Satsuma,” in [[John K. Fairbank]], ''The Chinese World Order'', Harvard University Press (1968), 122. |