Columbia subject headings:
Harvard subject headings:
China--History--Errors, inventions, etc.
China--History--Shang dynasty, 1766 B.C.-1122 B.C.
China--History--To 221 B.C.
Princeton subject headings:
China--History--Errors, inventions, etc.
China--History--Shang dynasty, 1766-1122 B.C.
China--History--To 221 B.C.