Bibliography
http://www.ancient.eu/cuneiform/
http://www.mrstpierre.com/uploads/1/0/4/5/10450517/183631523.gif
http://ahsmesopotamia5th.weebly.com/job-specialization-and-public-works.html
http://www.hierarchystructure.com/mesopotamia-social-hierarchy/
http://www.slideshare.net/mobile/PJVermont/mesopotamian-job-specilization
http://www.infoplease.com/encyclopedia/history/babylon-ancient-city-mesopotamia.html
http://www.ancient.eu/sumer/
http://mesopotamia.mrdonn.org/government.html
http://www.smspromotions.org/mesopotamian-religion.html