| Bibliography |  Suggestions |
| 1 | Lewis, B. - Jewell, E.R., "Sumerian Economic Texts from the Robert Hull Fleming Museum of the University of Vermont", Acta Sumerologica 4 (1982) 53-68 |
| 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://oracc.museum.upenn.edu/epsd2/P102149 |
| http://cdli.mpiwg-berlin.mpg.de/P102149 |