Columbia subject headings:
Harvard subject headings:
China--History--Han dynasty, 202 B.C.-220 A.D.
China--History--Three kingdoms, 220-265.
Princeton subject headings:
China--History--Han dynasty, 202 B.C.-220 A.D.--Biography.
China--History--Three kingdoms, 220-265.--Biography.
China--Intellectual life--221 B.C.-960 A.D.