1. Akkermans, P., & Schwartz, G. (2003). The archaeology of Syria: from complex hunter-gatherers to early urban societies (c. 16,000–300 BC). Cambridge: Cambridge University Press.
2. Allen, M. W. (2003). Hillforts and the cycling of Maori chiefdoms: do good fences make good neighbors? Department of Geography and Anthropology. Pomona: California State Polytechnic University https://www.academia.edu/26851775/Hillforts_and_the_Cycling_of_Maori_Chiefdoms_Do_Good_Fences_Make_Good_Neighbors . Accessed 26 Sep 2016.
3. Arkush, E. (2006). Collapse, conflict, conquest: warfare strategies and early state development in Oaxaca, Mexico. In E. Arkush & M. Allen (Eds.), The archaeology of warfare: prehistories of raiding and conquest (pp. 286–335). Gainesville FL: University Press of Florida.
4. Arkush, E. (2015). Warfare. In G. Urton & A. Von Hagen (Eds.), Encyclopedia of the Incas (pp. 289–293). Lanham MD: Rowman A Littlefield.
5. Attar-Aram. (2016). Ancient Syro-Mesopotamia ca. 1764 BCE. Map of Syria, using a modified map originally made by Sémhur. http://www.ancient.eu/image/4446/ . Accessed 7 Jan 2017.