Columbia subject headings:
Harvard subject headings:
China--Politics and government--To 221 B.C.
China--Social life and customs--To 221 B.C.
Li ji
Yi li
Zhou li.
Princeton subject headings:
China--Politics and government--To 221 B.C.
China--Social life and customs--To 221 B.C.
Li ji.
Yi li.
Zhou li.