(angl.) Brown, Delmer and Ichiro Ishida, eds. (1979). Jien, c.1220, Gukanshō; "The Future and the Past: a translation and study of the 'Gukanshō,' an interpretive history of Japan written in 1219" translated from the Japanese and edited by Delmer M. Brown & Ichirō Ishida. Berkeley: University of California Press. ISBN 0-520-03460-0 (angl.) Varley, H. Paul , ed. (1980). Kitabatake Chikafusa, 1359, Jinnō Shōtōki ("A Chronicle of Gods and Sovereigns: Jinnō Shōtōki of Kitabatake Chikafusa" translated by H. Paul Varley). New York: Columbia University Press. ISBN 0-231-04940-4