Columbia subject headings:
Harvard subject headings:
Japan--History--Attempted Mongol Invasions, 1274-1281.
Japan--History--Kamakura period, 1185-1333.
Samurai--History
Princeton subject headings:
Japan--History--Attempted Mongol Invasions, 1274-1281.
Japan--History--Kamakura period, 1185-1333.
Samurai--History.