Columbia subject headings:
Harvard subject headings:
China--History, Military--17th century--Sources.
Korea--History, Military--17th century--Sources.
Military art and science--China--History--17th century--Sources.
Military art and science--Korea--History--17th century--Sources.
Qi, Jiguang.
Princeton subject headings:
China--History, Military--17th century--Sources.
Korea--History, Military--17th century--Sources.
Military art and science--China--History--17th century--Sources.
Military art and science--Korea--History--17th century--Sources.
Qi, Jiguang.