Book of Sui
The Suí shǐ, or "History of Sui," is an official dynastic history of China's Sui Dynasty (581-618).
The text contains the earliest usages of the word "Liuqiu" (J: Ryûkyû).[1]
References
- ↑ Kreiner, Josef. "Ryukyuan History in Comparative Perspective." in Kreiner (ed.) Ryukyu in World History. Bonn: Biersche Verlagsanstalt, 2001. p3.