Arthur Brabazon. (1956). Kyoto: The Old Capital of Japan, 794–1869. Kyoto: Ponsonby Memorial Society. Screech, Timon. (2006). Secret Memoirs of the Shoguns: Isaac Titsingh and Japan, 1779-1822. London: RoutledgeCurzon. ; OCLC 65177072 Titsingh, Isaac. (1834). Nihon Ōdai Ichiran; ou, Annales des empereurs du Japon. Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland. OCLC 5850691. External links National Diet Library, "The Japanese Calendar" -- historical overview plus illustrative images from library's collection Japanese eras 1610s in Japan 1620s in Japan