Columbia subject headings:
Japan--History--Period of civil wars, 1480-1603.
Military art and science--Japan--History--16th century.
Harvard subject headings:
Japan--History--Muromachi period, 1336-1573.
Japan--History--Period of civil wars, 1480-1603.
Princeton subject headings:
Japan--History--Muromachi period, 1336-1573.
Japan--History--Period of civil wars, 1480-1603.