唐太宗李卫公问对 (táng tài zōng lǐ wèi gōng wèn duì): "Duke Li of Wei Answering Emperor Taizong of Tang", military treatise attributed to Li Jing 李靖[Li3 Jing4] and one of the Seven Military Classics of ancient China 武經七書|武经七书[Wu3 jing1 Qi1 shu1]