Here are links to other websites that will be of interest to those studying medieval warfare:

Internet Medieval Sourcebook – hundreds of translated texts

Medievalists.net – hundreds of articles and other resources. See their page on Medieval Warfare for specific resources

Medieval News – news about the Middle Ages, including archaeological discoveries and conference reports

SSCLE: Society for the Study of the Crusades and the Latin East – academic society focusing on the history of the crusades

International Congress on Medieval Studies – annual conference held at the University of Western Michigan which includes sessions run by De Re Militari as well as our business meeting

War of the Sicilian Vespers – detailed website about the late 13th – early-14th century conflict that took place throughout the Mediterranean. Site run by Lawrence V. Mott

International Medieval Congress – annual conference held at the University of Leeds