1. Edited by D. Thorner, B. Kerblay, and R.E.F;AV Chayanov,1966
2. Flannery, Kent (1969). Origins and ecological effects of early domestication in Iran and the near east. In The Domestication and Exploitation of Plants and Animals, eds. P. J. Ucko and G.W. Dimbleby, pgs. 73–100. Aldine Publishing, Chicago.
3. Fletcher, R. (2003). Redefining Angkor: Structure and environment in the largest low density urban complex of the pre-industrial world. Udaya (Journal of Khmer Studies) 4: 107–125.
4. Nissen, H. J. (1988). The early history of the ancient near east 9000–2000 BC, University of Chicago Press, Chicago.
5. Pournelle, Jennifer and Guillermo Algaze (2010). Travels in Edin: Deltaic resilience and early urbanism in greater Mesopotamia. In Prelude to urbanism: Studies in the late chalcolithic of Mesopotamia in honour of Joan Oates. H. Crawford et al., eds., pgs 7–34. Archaeopress, Oxford.