Analysis of information sources in references of the Wikipedia article "Raja Ryukyu" in Indonesian language version.
The latter country claims sovereignty over the islands, and the so-called King of Lew Chew is said to be now in Japan, the guest of the Mikado, whose superior authority, I am told, he recognizes.
賜琉球國王。御書中山世土四大字
齎敕印。封琉球國中山王世子尚質。為中山王。
尚巴志及父 尚思紹係追封且賜之以冠服綵幣等物 琉球國王尚姓此始
