↑ Shunzo Sakamaki, Monographs on and Lists of Personal and Place Names in the Ryukyus, (East-West Center Press, 1964), p. 48.
↑ from a confidential map by the 3020th Engr. Topo. Co. (Corps) on Okinawa, in September 1945.
↑ Location Map (Restricted) Base Development Facilities and Area Assignments Okinawa-Ie Shima, 31 August 1945, drafted and overprinted by 3020th Engr. Top. Co. (Corps)