Columbia subject headings:
Military art and science--Early works to 1800.
Wu, Qi, 440 B.C.-381 B.C. Wuzi.
Harvard subject headings:
Military art and science--Early works to 1800
Wu, Qi, 440 B.C.-381 B.C. Wuzi.
Princeton subject headings:
Military art and science--Early works to 1800.
Wu, Qi, 440-381 B.C. Wuzi bing fa.