Columbia subject headings:
Chinese classics--History and criticism.
Confucius. Chun qiu.
Gongyang, Gao. Gongyang zhuan.
Harvard subject headings:
Chinese literature--Qin and Han dynasties, 221 B.C.-220 A.D.--History and criticism.
Gongyang, Gao. Gongyang zhuan.
Princeton subject headings: