Columbia subject headings:
Harvard subject headings:
Gongyang, Gao. Gongyang zhuan.
Guliang, Chi. Guliang zhuan.
Zuoqiu, Ming. Zuo zhuan.
Princeton subject headings:
Gongyang, Gao. Gongyang zhuan.
Guliang, Chi. Guliang zhuan.
Zuoqiu, Ming. Zuo zhuan.