The Nuttall Encyclopedia
An island of China, in the extreme S., between the Gulf of Tongking and the China Sea, 15 m. S. of the mainland; agriculture is the staple industry; the mountainous and wooded interior is occupied by the aboriginal Les.
Wood, James, ed. Entry for 'Hainan'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/h/hainan.html. Frederick Warne & Co Ltd. London. 1900.