C. H.  Pope and Boring, A. M., ?A survey of Chinese Amphibia?, Peking Society of Natural History Bulletin, vol. 15, pp. 13-86, 1940.

C. H.  Pope, ?Notes on Amphibians from Fukien, Hainan, and other Parts of China?, Bulletin of the American Museum of Natural History, vol. 61, pp. 397-611, 1931.