Columbia subject headings:
Harvard subject headings:
Fortification--Japan
Japan--History--To 794.
Japan--Religion--To 1185.
Palaces--Japan
Rites and ceremonies--Japan--History--To 1500.
Princeton subject headings:
Fortification--Japan.
Japan--History--To 794.
Japan--Religion--To 1185.
Palaces--Japan.
Rites and ceremonies--Japan--History--To 1500.