A collection of resources related to Trebuchet building, medieval weapons of mass destruction, siege engineering, and other related items of interest.
- Chevedden, et al., "The Trebuchet", Scientific American, July 1995, pp 66-71.
- Liang Jieming, Chinese Siege Warfare: Mechanical Artillery & Siege Weapons of Antiquity - An Illustrated History,
- Donald B. Siano, "Trebuchet Mechanics", Mar. 28, 2001.
Visby Trebuchet (Patrik Djurfeldt)
Siege of Acre, 3rd Crusade, 1191
Itinerarium Regis Ricardi