Columbia subject headings:
China--Foreign relations--Japan.
China--Foreign relations--Korea.
Japan--Foreign relations--China.
Japan--Foreign relations--Korea.
Japan--History, Military--16th century.
Korea--Foreign relations--China.
Korea--Foreign relations--Japan.
Korea--History--Japanese Invasions, 1592-1598.
Harvard subject headings:
China--Foreign relations--Japan.
China--History--Ming dynasty, 1368-1644.
Japan--History, Military--16th century.
Japan--History--Azuchi-Momoyama period, 1568-1603.
Japan--History--To 1600.
Korea--Foreign relations--Japan.
Korea--History--Japanese Invasions, 1592-1598.
Princeton subject headings:
China--Foreign relations--Japan.
China--Foreign relations--Korea.
Japan--Foreign relations--China.
Japan--Foreign relations--Korea.
Japan--History, Military--16th century.
Korea--Foreign relations--China.
Korea--Foreign relations--Japan.
Korea--History--Japanese Invasions, 1592-1598.