Columbia subject headings:
Japan--History--1185-1600.
Japan--History--Heian period, 794-1185.
Japan--Politics and government--1185-1600.
Harvard subject headings:
Japan--History--1185-1600.
Japan--History--To 1185.
Japan--Politics and government--1185-1600.
Princeton subject headings:
Japan--History--1185-1600.
Japan--History--To 1185.
Japan--Politics and government--1185-1600.