| Bibliography |  Suggestions |
| 1 | Gomi, T., and Yıldız, F., Die Umma-Texte aus den Archäologischen Museen zu Istanbul. Band IV (Nr. 2301-3000), Bethesda 1997 |
| 2 | Englund, R.K., "Equivalency Values and the Command Economy of the Ur III Period in Mesopotamia", J. K. Papadopoulos and G. Urton (eds.), The Construction of Value in the Ancient World, Los Angeles 2012, pp. 427-458 |
External Resources
| http://oracc.museum.upenn.edu/epsd2/P140579 |
| http://cdli.earth/P140579 |