Japanische Geisteswelt-Vom Mythus zur Gegenwart by Oscar Benl, Horst HammitzschHeinrich DumoulinMN 13:3/4 (1957) pp. 366–67 → jstor.org/stable/2383054ShareThe Religion of Divine Wisdom. Japan’s Most Powerful Religious Movement by Henry van StraelenEnnin’s Diary. The Record of a Pilgrimage to China in Search of the Law by Edwin O. Reischauer; Ennin’s Travels in T’ang China by Edwin O. Reischauer