| Bibliography |  Suggestions |
| 1 | Grégoire, J.-P., Contribution à l'Histoire Sociale, Économique, Politique et Culturelle du Proche-Orient Ancien. Archives Administratives et Inscriptions Cunéiformes de l'Ashmolean Museum et de la Bodleian Collection d'Oxford (AAICAB). IV. Les Sources, Paris 2004 |
| 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 |
| http://cdli.mpiwg-berlin.mpg.de/P330450 |
| http://oracc.museum.upenn.edu/epsd2/P330450 |