Columbia subject headings:
Harvard subject headings:
Japan--Capital and capitol.
Japan--History--To 1185.
Japan--Politics and government--To 1600.
Rites and ceremonies--Japan
Princeton subject headings:
Japan--Capital and capitol--History--To 1500.
Japan--History--To 1185.
Japan--Politics and government--To 794.
Rites and ceremonies--Japan--History--To 1500.