(eds) (1993), "Early Stages in the Evolution of Mesopotamian Civilization: Soviet Excavations in Northern Iraq", (The University of Arizona Press, Tucson) Young, R., and H. Fazeli(2008), “Interpreting Animal Bones in Iran: Considering New Animal Bone Assemblages from Three Sites in the Qazvin Plain within a Broader Geographical and Chronological Perspective.” Paléorient, vol. 34, no. 2, 2008, pp. 153–172., doi:10.3406/paleo.2008.5260. Populated places established in the 6th millennium BC Populated places disestablished in the 5th millennium BC 1967 archaeological discoveries Archaeological sites in Iraq Diyala Governorate Former populated places in Iraq Samarra culture Ubaid period