Reprinted in James Brundage, The Crusades: A Documentary History, Milwaukee, WI: Marquette University Press 1962* Ludolphi, Rectoris Ecclesiæ Parochialis in suchem, de itinere Terræ Sanctæ,University of Michigan 1851* (أرنولد توينبي) Toynbee, Arnold J., Mankind and mother earth, Oxford university press 1976* كوم تروجة على الخريطة