Title: Cui qi sheng yu du lang kou jing yan
Description: Ben shu fen wei si bu fen,Bao kuo:zou jin cui qi sheng,Cui qi sheng jiao yu si xiang gai shu,"du lang kou jing yan"ke tang cao zuo fang fa,Zhong jia ping shuo.
Subjects: Ke tang jiao xue, Jiao xue yan jiu, Zhong xue