Columbia subject headings:
Harvard subject headings:
Ryukyu Islands--Description and travel.
Xu, Baoguang, -1723.
Xu, Baoguang, -1723. Zhongshan chuan xin lu.
Princeton subject headings:
Ryukyu Islands--Description and travel.
Xu, Baoguang, -1723.
Xu, Baoguang, d. 1723. Zhongshan chuan xin lu.