Columbia subject headings:
Harvard subject headings:
China--History--Han dynasty, 202 B.C.-220 A.D.
China--History--Qin dynasty, 221 B.C.-207 B.C.
Chinese literature--Qin and Han dynasties, 221 B.C.-220 A.D.
Princeton subject headings:
Jia, Yi, 200 B.C.-168 B.C.--Criticism and interpretation.