Kerajaan Ryukyu: Perbedaan antara revisi

* Matsuda, Mitsugu (2001) ''The Government of the Kingdom of Ryukyu, 1609-1872: a dissertation submitted to the Graduate School of the University of Hawaii in partial fulfillment of the requirements for the degree of Doctor of Philosophy, January 1967'', Gushikawa : Yui Pub., 283 p., ISBN 4-946539-16-6

* Smits, Gregory (1999) ''Visions of Ryukyu: identity and ideology in early-modern thought and politics'', Honolulu : University of Hawai'i Press, 213 p., ISBN 0-8248-2037-1