(ja) Azuma Kagami, Nihon Shoki and yet more historical documents translated into modern Japanese (吾妻鏡」に「日本書記」… 史書の現代語版、出版続々), The Asahi Shimbun, (lire en ligne).
(en) John S. Brownlee, Political Thought in Japanese Historical Writing : from "Kojiki", 712 to "Tokushi Yoron", 1712, Waterloo (Canada), Wilfrid Laurier Univ. Press, , 158 p. (ISBN0-88920-997-9, lire en ligne), p. 140.