| Bibliography |  Suggestions |
| 1 | Sollberger, E., The Business and Administrative Correspondence under the Kings of Ur, Texts from Cuneiform Sources 1, Locust Valley 1966. 372 Neo-Sumerian text(s) edited: 94 in Hand copy; 372 in Transliteration; 372 in Translation. |
| 2 | Mayr, R.H., Seal Impressions on Tablets from Umma, 2005, unpubl. ms. |
| 3 | Molina, M., Transliterations and collations of cuneiform tablets in the Yale Babylonian Collection, unpubl. ms., 2019 98 Neo-Sumerian text(s) collated. |
| 4 | 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 |
| 5 | Ouyang, X., Monetary role of silver and its administration in Mesopotamia during the Ur III Period (c. 2112-2004 BCE): A case study of the Umma province, Biblioteca del Próximo Oriente Antiguo 11, Madrid 2013 1 Neo-Sumerian text(s) collated. |
| http://collections.peabody.yale.edu/search/Record/YPM-BC-023807 |
| http://oracc.museum.upenn.edu/epsd2/P145759 |
| http://www.ebl.lmu.de/library/YBC.9808 |
| http://cdli.earth/P145759 |