Columbia subject headings:
China--History--221 B.C.-960 A.D.--Bibliography.
China--History--221 B.C.-960 A.D.--Study and teaching--Japan.
Harvard subject headings:
China--History--221 B.C.-960 A.D.--Bibliography.
China--History--221 B.C.-960 A.D.--Study and teaching.
Princeton subject headings: