Brown, Delmer et al. (1979). Gukanshō, pp. 272–273; Varley, H. Paul. Jinnō Shōtōki, pp. 141–143; Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 67–73., p. 67, ที่ Google Books
Titsingh, p. 67, p. 67, ที่ Google Books; Varley, p. 44; a distinct act of senso is unrecognized prior to Emperor Tenji; and all sovereigns except Jitō, Yōzei, Go-Toba, and Fushimi have senso and sokui in the same year until the reign of Emperor Go-Murakami.
