W. B. Stevenson. — The Crusaders in the East. A brief History of the Wars of Islam with the Latins in Syria, during the twelfth and thirteenth centuries. Cambridge, University Press, 1907

Lammens Henri. W. B. Stevenson. — The Crusaders in the East. A brief History of the Wars of Islam with the Latins in Syria, during the twelfth and thirteenth centuries. Cambridge, University Press, 1907. In: Mélanges de la Faculté orientale, tome 3 fasc. 2, 1909. pp. 78-79