| Bibliography |  Suggestions |
| 1 | Contenau, G., Umma sous la dynastie d'Ur, Paris 1916 |
| 2 | Civil, M., The Farmer's Instructions. A Sumerian Agricultural Manual, Aula Orientalis - Supplementa 5, Sabadell 1994 |
| 3 | Steinkeller, P., "On the Location of the Town of GARšana", D.I. Owen (ed.), Garšana Studies, Cornell University Studies in Assyriology and Sumerology 6, Bethesda 2011, pp. 373-390 |
| http://cdli.earth/P139563 |
| http://oracc.museum.upenn.edu/epsd2/P139563 |