Isaac Titsingh, Annales des empereurs du japon, (em francês) Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland pp. 263 OCLC5850691.
George W. PerkinsThe Clear Mirror: A Chronicle of the Japanese Court During the Kamakura Period (1185-1333) (em inglês) Stanford University Press, 1998 p. 137 ISBN 9780804763882
worldcat.org
Isaac Titsingh, Annales des empereurs du japon, (em francês) Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland pp. 263 OCLC5850691.