The song of youth / Yang Mo ; Translated by Nan Ying ; Illustrated by Hou Yi-Min. Ch'ing ch'un chih ko. English Yang, Mo. Medicines. PL2922.M6 S65 895.13 YAS Peking : Foreign Languages Press, 1978. 1978. 1978 Text ii, 613p., [8] leaves of plates : eng engchi