Columbia subject headings:
Harvard subject headings:
Chinese poetry--Qin and Han dynasties, 221 B.C.-220 A.D.
Chinese poetry--To 221 B.C.
Princeton subject headings:
Chinese poetry--Qin and Han dynasties, 221 B.C.-220 A.D.--History and criticism.
Chinese poetry--To 221 B.C.--History and criticism.