First Crusade

Paine, Mike. "The First And Second Crusades." Crusades. Harpenden, GBR: Pocket Essentials, 2001. Ebrary. Web

Williams, Paul L. "The First Crusade." Complete Idiot's Guide to the Crusades. Indianapolis, IN: Alpha, 2002. Ebrary. Web.

Erdmann, Carl. "BYZANTIUM AND JERUSALEM: THE MOTIVE AND THE OBJECTIVE OF THE FIRST CRUSADE." p.355-371. The origin of the idea of crusade. Princeton UP, 1977. ACLS Humanities E-Book Collection. Web.

Morrisson, Cécile. "Crusades." Encyclopedia of the Middle Ages. Ed. André Vauchez. 2001. Osford Reference Online. Oxford University Press. Web.

"The First Crusade" - Internet Medieval Sourcebook. Ed. Paul Halsall. includes Urban II: Speech at Clermont: Five Versions. Web.

Knox, Ellis L. "The First Crusade." 1999. The ORB: On-line Reference Book for Medieval Studies. Web. "The ORB is an academic site, written and maintained by medieval scholars for the benefit of their fellow instructors and serious students. All articles have been judged by at least two peer reviewers. Authors are held to high standards of accuracy, currency, and relevance to the field of medieval studies."