Guiguzi’s “Twenty-Eight Mansions Acting as a Poultry and Calculating Lost Method”

Shushu Ancient Book “New Publication of Confucianism, Liqi, and Zhayi, Serious, Supervising, Poultry and Qi, Dacheng General Book”

acting poultry secrets

Qimen case banknote clearing book contains renditions of poultry, etc.