2"* Jaroslav Folda(2005), "Crusader art in the Holy Land: from the Third Crusade to the fall of Acre 1187–1291"* Stanley Lane-Poole(1985), "Saladin and the Fall of the Kingdom of Jerusalem"
2"* Jaroslav Folda(2005), "Crusader art in the Holy Land: from the Third Crusade to the fall of Acre 1187—1291"* Stanley Lane-Poole(1985), "Saladin and the Fall of the Kingdom of Jerusalem"