Columbia subject headings:
Harvard subject headings:
China--Antiquities.
China--Civilization--221 B.C.-960 A.D.
China--Civilization--To 221 B.C.
Excavations (Archaeology)--China
Princeton subject headings:
China--Antiquities.
China--Civilization--221 B.C.-960 A.D.
China--Civilization--To 221 B.C.
Excavations (Archaeology)--China.