Medieval Siege - Information and images on the medieval arms race, building a trebuchet, life in a castle, and destroying a castle, including resources and teacher's guide. Therion - Arms - Contains information on costuming, combat armor, hand gonnes, and dress armor. Society of Ancients - International amateur society for ancient and medieval wargamers and for study of the military history of the period 3000 BC to 1500 AD. Archery Articles - Selection of articles from the Journal of the Society of Archer-Antiquaries. De Re Militari Society homepage - An academic association examining medieval warfare and military history. Features information on the society as well as original articles and book reviews. The Battle of Worringen, 1288 AD - Paper on the battle on the circumstances of the Battle of Worringen near Cologne, Germany in 1288 The Battle of Winwaed - An account of a major battle in West Yorkshire in 655 AD.