Alizadeh, Abbas, Socio-economic and Political Complexity of Pre-state Societies in Southwestern Iran: The Evidence from Tall-i Bakun A. Ph. D. dissertation. University of Chicago, 1985. Chairman of the dissertation committee: Helen J. Kantor [Demonstration of a prehistoric case of differential control of economic resources which resulted in social stratification in later complex societies. Further investigation of the role of nomadic communities in the development of complex societies in Fars and their interaction with settled communities. Research is based on both archaeological and ethnographic data. The archaeological material comes from two seasons of 1932 (published by A. Langsdorff and D. McCown, OPI 59, 1948) and 1937 (which remains unpublished)].