1. Taisuke Suzuki , “Kaisen zenya fuun no Bankkoku,” Shukan Yomiuri (December, 1956), p. 65
2. Yuji Nagaya , Senryogo no Maraya no show kyoiku, December, 1943, pp. 12–13, 18
3. Sokambu Gunsei , Gunsei Sokan shiji, August 7, 1942, Marked “Top Secret;” Hattori, Daitoa senso zenshi, p. 320