Columbia subject headings:
Harvard subject headings:
Li, Jing, 571-649. Li Weigong wen dui.
Military art and science--Early works to 1800
Tang Taizong, Emperor of China, 597-649
Princeton subject headings:
Li, Jing, 571-649. Li Weigong wen dui.
Military art and science--Early works to 1800.