Columbia subject headings:
Harvard subject headings:
China--History--Warring States, 403 B.C.-221 B.C.
Kʻung, Yen,dd. 320. Chun qiu hou yu.
Princeton subject headings:
China--History--Warring States, 403-221 B.C.
Kʻung, Yen,dd. 320. Chun qiu hou yu.