Martin, Peter: The Chrysanthemum Throne: A History of the Emperors of Japan, s. 97. University of Hawaii Press, 1997. ISBN 9780824820299. Teoksen verkkoversio.
Titsingh, Isaac: Nipon o daï itsi ran: ou Annales des empereurs du Japon, s. 352. Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland, 1834. Teoksen verkkoversio.