Columbia subject headings:
Harvard subject headings:
Clans--Japan--History
Clans--Japan--History--To 1500.
Japan--History--To 1333.
Japan--Politics and government--To 1600.
Local officials and employees--Japan--History
Local officials and employees--Japan--History--To 1500.
Samurai--Japan--History--To 1500.
Samurai--Japan--History.
Princeton subject headings:
Clans--Japan--History.
Japan--History--To 1333.
Japan--Politics and government--To 1600.
Local officials and employees--Japan--History.
Samurai--Japan--History.