Columbia subject headings:
Harvard subject headings:
China--History--220-589.
China--History--Han dynasty, 202 B.C.-220 A.D.
China--History--Qin dynasty, 221 B.C.-207 B.C.
Clans--China
Kinship--China.
Princeton subject headings:
China--Social conditions--221 B.C.-960 A.D.
Clans--China.
Families--Research--China.
Kingship--China--History.