Columbia subject headings:
China--History--Qin dynasty, 221-207 B.C.
China--History--Zhou dynasty, 1122-221 B.C.
Harvard subject headings:
China--Antiquities.
China--History--Qin dynasty, 221 B.C.-207 B.C.
China--History--Zhou dynasty, 1122 B.C.-221 B.C.
Princeton subject headings:
China--History--Qin dynasty, 221-207 B.C.
China--History--Zhou dynasty, 1122-221 B.C.