Shōmu orders that houses of the Japanese nobility be roofed with green tiles, as in China, and have white walls with red roof poles (approximate date).
^.Khleifat, Awad Mohammad (May 1973). The Caliphate of Hishām b. ʿAbd al-Malik (105–125/724–743) with Special Reference to Internal Problems (PhD). University of London, School of Oriental and African Studies. pp. 53–54.
^Ponsonby-Fane, Richard (1959). The Imperial House of Japan, p. 57
^Harrak, Amir (1999). The Chronicle of Zuqnin, Parts III and IV A.D. 488–775. Toronto: Pontifical Institute of Mediaeval Studies. pp. 158–159. ISBN9780888442864.
^David Nicolle (2008). Poitiers AD 732, Charles Martel turns the Islamic tide (p. 41). ISBN978-184603-230-1
^Old, Hughes Oliphant (1998). The reading and preaching of the scriptures in the worship of the Christian church. Wm. Eerdmans, pp. 137–40. ISBN978-0-8028-4619-8