*William of Tyre, "Historia Rerum In Partibus Transmarinis Gestarum" ("A History of Deeds Done Beyond the Sea"), translated by E. A. Babock and A. C. Krey (Columbia University Press, 1943).
* William of Tyre, "Historia Rerum In Partibus Transmarinis Gestarum" ("A History of Deeds Done Beyond the Sea"), translated by E. A. Babock and A. C. Krey (Columbia University Press, 1943).