Olsen, L. S.
1957. A new species of Neoascaris (Nematode) from a Korean wood mouse. Trans. Amer. Micros. Soc., 76:205-208, 9 figs., April.
Pope, C. H.
1935. The reptiles of China (Natural History of Central Asia, Vol. X). Amer. Mus. Nat. Hist., New York, lii + 604 pp., 27 pls., 78 figs., May 11.
Pope, C. H., and Boring, A. M.
1940. A survey of Chinese Amphibia. Peking Nat. Hist. Bull., 15:13-86, 1 map, September.
Sato, I.
1943. The tailed batrachians of Japan. Tokyo, 520 pp., illustrated (in Japanese).
Schlegel, H.