Hein ch. 1 The Development of Chinese Zen: After the Sixth Patriarch in the Light of Mumonkan / by Heinride Dumoulin. - New York : First Zen Institute of America, 1953. - xxii, 146 p. Errata slip inserted Subjects--Personal Names: Hui-ki fl. 13th cent. Subjects--Topical Terms: Zen Buddhism.律宗(南山宗,相