| Bibliography |  Suggestions |
| 1 | Contenau, G., Umma sous la dynastie d'Ur, Paris 1916 |
| 2 | Steinkeller, P., "The Foresters of Umma: Toward a Definition of Ur III Labor", M. Powell (ed.), Labor in the Ancient Near East, American Oriental Series 68, New Haven 1987, pp. 73-115 |
| 3 | Focke, K., Der Garten in neusumerischer Zeit, Alter Orient und Altes Testament 53, Münster 2015 |
| http://cdli.mpiwg-berlin.mpg.de/P139589 |
| http://oracc.museum.upenn.edu/epsd2/P139589 |