Columbia subject headings:
Korea--History--Japanese Invasions, 1592-1598--Naval operations.
Yi, Sun-sin, 1545-1598--Military leadership.
Harvard subject headings:
Admirals--Korea--Biography
Armored vessels--Korea--History.
Historic sites--Korea (South)
Korea--History, Naval--16th century.
Korea--History--Japanese Invasions, 1592-1598.
Yi, Sun-sin, 1545-1598
Princeton subject headings:
Korea--History--Japanese Invasions, 1592-1598--Naval operations.
Yi, Sun-sin, 1545-1598--Military leadership.