From Citizendium, the Citizens' Compendium
- Please sort and annotate in a user-friendly manner and consider archiving the URLs behind the links you provide. See also related web sources.
- E.L. Skip Knox, The Crusades, a virtual college course through Boise State University.
- links to resources on crusades
- "All About All Crusades" by Hans Doeleman; with timeline, maps, bibliography
- Andrea, Alfred J. Encyclopedia of the Crusades. (2003).
- Asbridge, Thomas. The First Crusade: A New History: The Roots of Conflict between Christianity and Islam (2005) excerpt and text search
- France, John. Western Warfare in the Age of the Crusades, 1000-1300 (1999) online edition
- Hillenbrand, Carole. The Crusades, Islamic Perspectives. (2000). excerpt and text search
- Holt, P.M. The Age of the Crusades: The Near East from the Eleventh Century to 1517. (1986).
- Madden, Thomas F. The New Concise History of the Crusades. (2005).
- Riley-Smith, Jonathan. The Crusades: A History (2005) excerpt and text search
- Riley-Smith, Jonathan, ed. The Oxford History of the Crusades. (1995). online edition; excerpt and text search
- Riley-Smith, Jonathan, ed. The Atlas of the Crusades (1991)
- Runciman, Steven. A History of the Crusades, Volume I: The First Crusade and the Foundations of the Kingdom of Jerusalem.; Volume II: The Kingdom of Jerusalem and the Frankish East 1100-1187. and Volume III: The Kingdom of Acre and the Later Crusades (1951-53), the classic narrative history; hostile toward the crusaders
- Tyerman, Christopher. God's War: A New History of the Crusades (2006)