Columbia subject headings:
Korea--History--Manchu Invasions, 1627-1637.
Yu, Rim, 1581-1643--Military leadership.
Harvard subject headings:
Korea--History--Manchu Invasions, 1627-1637
Yu, Rim, 1581-1643--Military leadership.
Princeton subject headings:
Kimhwa-gun (Korea)--History, Military--17th century.
Korea--History, Military--17th century.
Korea--History--Manchu Invasions, 1627-1637.
Yu, Rim.