Columbia subject headings:
China--Boundaries.
China--Historical geography.
China--History--Han dynasty, 202 B.C.-220 A.D.
Minorities--China--History.
Harvard subject headings:
China--History--Han dynasty, 202 B.C.-220 A.D.
Manchuria (China)--History.
Princeton subject headings:
China--History--Han dynasty, 202 B.C.-220 A.D.
Manchuria (China)--History.