Columbia subject headings:
Harvard subject headings:
Japan--History--1333-1600.
Korea--Relations--Japan--Tsushima-han.
Tsushima Island (Japan)--History.
Tsushima-han (Japan)--Relations--Korea.
Princeton subject headings:
Japan--History--Muromachi period, 1336-1573.
Korea--Relations--Japan--Nagasaki-ken.
Nagasaki-ken (Japan)--Relations--Korea.
Tsushima Island (Japan)--History.