Shu-Eki Jū-Yoku Seigi (Ein Kommentar zu den zehn Flügeln des Chou-i) by Kitamura SawakichiWilhelm SchifferMN 2:2 (1939) p. 654 → jstor.org/stable/2382502ShareJapan. Ein Kulturüberblick by Ryuichi KajiReligious Life of the Japanese People. Its Present Status and Historical Background by Masaharu Anesaki