Mori, T.

1928a. A presumption of the age in which the separation of Japan and Korea had occurred and the general condition at that age estimated from the distribution of animals in Saishuto and Tsushima. Chosen, pp. 14-25, January, 1928 (in Japanese).

1928b. On amphibians and reptiles of Quelpaert Island. Jour. Chosen Nat. Hist. Soc., 6:47-52, March 25 (in Japanese).

1928c. On a new Hynobius from Quelpaert Isl. Jour. Chosen Nat. Hist. Soc., 6:53, March 25.

Moriya, K.

1954. Studies on the five races of the Japanese pond frog, Rana nigromaculata Hallowell. I. Differences in the morphological characters. Jour. Sci. Hiroshima Univ. (ser. B, div. 1), 15:1-21, 2 pls., 1 fig., December.

Okada, Y.

1931. The tailless batrachians of the Japanese Empire. Imp. Agric. Exp. Sta., Tokyo, 215 pp., 29 pls., 97 figs., March 30.

1934. A contribution toward a check list of the urodeles of Japan. Copeia, 1934(1):16-19, April 24.

1935. Amphibia of Jehol. Rept. First Sci. Exped. Manchoukuo, sect. V, div. II, pt. II, art. 1, pp. 1-24 (in Japanese) and 25-47 (in English), 7 pls., 9 figs., November 30.