E.  Zhao, Hu, Q., Jiang, Y., and Yang, Y., Studies on Chinese Salamanders. Oxford, Ohio: Society for the Study of Amphibians and Reptiles, 1988.

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 and Hu, Q., ?Taxonomy and Evolution of Hynobiidae in Western China, with a Description of a New Genus?, 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. 55-60.

H.  Gu, ?A New Species of Hynobius, Hynobius amjiensis?, in Animal Sciences Research, W.  Qu, Zhao, E., and Zhao, K., Eds. Beijing: China Forestry Press, 1992.

K.  Adler and Zhao, E., ?Studies on hynobiid salamanders, with description of a new genus?, Asiatic Herpetological Research, vol. 3, pp. 37-45, 1990.

E.  Zhao and Wu, G., ?Taxonomic status of Ranodon tsinpaensis Liu and Hu, 1966, with a discussion on Pseudohynobius flavomaculatus (Fei and Ye, 1982) as its synonym?, Sichuan Journal of Zoology, vol. 14, pp. 20-24, 1995.

E.  Zhao, ?A Study on Vomerine Teeth Pattern of the Genus Liua, with Revised diagnoses of Liua and Ranodon (Caudata: Hynobiidae)?, Sichuan Journal of Zoology, vol. 13, pp. 162-167, 1994.

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

E.  Zhao, ?Distribution Patterns of Amphibians in Temperate East Asia?, in Patterns of Distribution of Amphibians. A Global Perspective., W. E.  Duellman, Ed. Baltimore and London: Johns Hopkins University Press, 1999.

J.  Xiong, Qing, L., Zeng, X., and Zhao, E., ?Karyotype ofHynobius guabangshanensis (Urodela: Hynobiidae)?, Sichuan Journal of Zoology, vol. 27, pp. 236-238, 2008.

D. W.  Weisrock, Papenfuss, T. J., Macey, J. R., Litvinchuk, S. N., Polymeni, R., Ugurtas, I. H., Zhao, E., Jowkar, H., and Larson, A., ?A molecular assessment of phylogenetic relationships and lineage accumulation rates within the family Salamandridae (Amphibia, Caudata)?, Molecular Phylogenetics and Evolution, vol. 41, pp. 368 - 383, 2006.