Columbia subject headings:
Japan--History--Attempted Mongol Invasions, 1274-1281.
Mongols--History.
Harvard subject headings:
Japan--History--Attempted Mongol Invasions, 1274-1281.
Mongols--History.
Princeton subject headings:
Japan--History--Attempted Mongol Invasions, 1274-1281.
Mongols--History.