R.  Thorn, Les salamandres d?Europe, d?Asie et d?Afrique du Nord. Paris: Lechevalier, 1969.

E.  Zhao and Hu, Q., ?Studies on Chinese Tailed Amphibians?, in Studies on Chinese Salamanders, E.  Zhao, Hu, Q., Jiang, Y., and Yang, Y., Eds. Society for the Study of Amphibians and Reptiles, 1988, pp. 1-48.

E.  Zhao, China red data book of endangered animals. Amphibia and Reptilia. Beijing: Science Press, 1998.

L.  Fei, Hu, S., and Huang, Y., Fauna Sinica, Amphibia, vol. 1. Beijing: Science Press, 2006.