Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 34-36; Brown, Delmer et al. (1979). Gukanshō, pp. 261-262; Varley, H. Paul. (1980). Jinnō Shōtōki. pp. 123-124; Nussbaum, Louis-Frédéric et al. (2002). "Traditional order of Tennō" in Japan encyclopedia, pp. 962-963.
Titsingh, p. 36; Brown, pp. 261-262, Varley, p. 44.