Columbia subject headings:
Harvard subject headings:
Beijing (China)--Antiquities.
Beijing (China)--History--Jin dynasty, 1115-1234.
Beijing (China)--History--Liao dynasty, 947-1125.
Princeton subject headings:
Beijing (China)--Antiquities.
China--History--Jin dynasty, 1115-1234.
China--History--Liao dynasty, 947-1125.