Columbia subject headings:
China--Antiquities.
China--History--Han dynasty, 202 B.C.-220 A.D.
China--History--Qin dynasty, 221-207 B.C.
Excavations (Archaeology)--China.
Harvard subject headings:
China--History--Han dynasty, 202 B.C.-220 A.D.
China--History--Qin dynasty, 221-207 B.C.
Princeton subject headings:
China--History--Han dynasty, 202 B.C.-220 A.D.
China--History--Qin dynasty, 221-207 B.C.