Coba jelasin Lihat pula dari Dao dong

Tom, Philip M. W. (2001). "Some Notable Sabers of the Qing Dynasty at the Metropolitan Museum of Art". Metropolitan Museum Journal, Vol. 36, pp. 11 + 207-222

Tom, Philip with Scott M. Rodell (February 2005). "An Introduction to Chinese Single-Edged Hilt Weapons (Dao) and Their Use in the Ming and Qing Dynasties". Kung Fu Tai Chi, pp. 76–85