Sowerby, A. de C. 1939. Some Chinese animal myths and legends. Journal of the North China Branch of the Royal Asiatic Society 70: 1-20, pls. 1-12, figs. 1-2.
Sowerby, A. de C. 1930. Animal and plant life in the East Indies. China Journal 13: 216-224, figs. 1-15.






