Medeival Seige Technology and Countertechnology

Attack	Defense
Predecessors to the Trebuchet: The Catapult	Defense Before Trebuchet: Defense Against the Catapult
Trebuchet and Contemporaries: The Trebuchet	Defenses Against the Trebuchet
Antecessors to the Trebuchet: The Cannon	Defense After Trebuchet: Defense Against the Cannon
The Bibliography

Written by Andrew Vick