1. Satio Hayakawa, “Genbaku chōsa ni o tomo shite” (“Accompanying the Atomic Bomb Survey”), in Publication Committee (ed.), with a preface by Seiji Kaya, Sagane Ryōkichi kinen bunshū (Collection of Writings to Commemorate Ryōkichi Sagane) (Tokyo: Sagane Ryōkichi Kinen Bunshū Shuppankai, 1981), pp. 284–86, esp. p. 284.
2. Kiyonobu Itakura, “Kagakusha no jishuteki na soshiki” (“An Independent Organization of Scientists”), in Mituo Taketani (ed.), Shizen kagaku gairon, daiikkan: Kagaku gijutsu to Nihon shakai (An Introduction to the Natural Sciences, Vol. 1: Science, Technology and Japanese Society) (Tokyo: Keisō Shobō, 1962), pp. 155–73.
3. Satio Hayakawa and Mamoru Saitō, “Astronomy in Japan,” Astrophysics and Space Science, vol. 99 (1984), pp. 393–402, esp. p. 401.
4. John W. Dower, “The Useful War,” Daedalus, vol. 119, no. 3 (Summer 1990), pp. 49–70, esp. p. 56;
5. Ben-Ami Shillony, Politics and Culture in Wartime Japan (Oxford: Clarendon Press, 1991), p. 139;