Books by Beijing yu yan xue yuan. Yu yan jiao xue yan jiu suo
Dang dai Beijing kou yu yu lia
Dang dai Beijing kou yu yu liao
Xian dai Han yu bu yu yan jiu zi liao
Bu wei xin yuan
Bu wei xin yuan
Xian dai Han yu pin lü ci dian
Xian dai Han yu pin lü ci dian
Chang yong zi he chang yong ci
Chang yong zi he chang yong ci
Han yu ci hui di tong ji yu fe
Han yu ci hui di tong ji yu fen xi