The Cambridge Ancient History. Vol. I, Chapter XXIV, #VII-X. Anatolia in the Old Assyrian Periodby Hildegard Lewy;The Cambridge Ancient History. Vol. II, Chapter I. Northern Mesopotamia and Syriaby J.-R. Kupper;The Cambridge Ancient History. Vol. II, Chapter XVII, XXI(a), XXIV. The Struggle for the Domination of Syria (1400-1300 B. C.). Anatolia from Shuppiluliumash to the Egyptian War of Muwatallish. The Hitties and Syria (1300-1200 B. C.)by A. Goetze