1. 1) Kakinuma, K.: Japanese B encephalitis, Nihon Naikagakuzasshi, 25, 1, 1937 (in Japanese) .
2. 2) Mitamura, T., and Kitaoka, M.: On the epidemiology of Japanese B encephalitis, Nihon Igakukaishi, 12, 47, 1947 (in Japanese) .
3. 3) Hayashi, M.: Übertragung des virus von Encephalitis epidemica auf Affen, Proc. Imperial Academie Japan, 10, 41, 1934.
4. 4) Kawamura, R., Kodama, M., Ito, T., Yazaki, T. and Kohayakawa, Y.: Studies on Japanese B encephalitis in the last summer, Tokyo Ijishinshi, 59, 2665, 1935, 59, 2867, 1935 and 60, 911, 1936 (in Japanese) .
5. 5) Mitamura, T., Hazato, H. and Kitaoka, M.: Comparision between Japanese B encephalitis and St. Louis encephalitis (Webster's No 3) viruses, Tokyo Ijishinshi, 60, 3157, 1936 (in Japanese) .