ドリュラエウムの戦い
Kenneth Setton, ed., : A History of the Crusades. Madison 1969–1989, S. 292 ff. (available online).
John France, Victory in the East: A Military History of the First Crusade, Cambridge University Press, 1996.
John France, The Crusades And The Expansion Of Catholic Christendom, 1000-1714, Routledge, 2005.
Matthew Bennett, The Hutchinson Dictionary of Ancient & Medieval Warfare, Helicon Publishing Ltd, 1998.