The Nō Plays of Japan by Arthur Waley, Oswald SickertWilhelm SchifferMN 8:1/2 (1952) p. 452 → jstor.org/stable/2383032ShareChina and the Soviet Union by Aitchen K. WuThe Inflections of 8th Century Japanese by Masako Yokoyama; The Inflections of Modern Literary Japanese by Elizabeth F. Gardner