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| 1 | Steinkeller, P., Sale Documents of the Ur-III-Period, Freiburger Altorientalische Studien 17, Stuttgart 1989 |
| 2 | Goetze, A. (edited by B.R. Foster), Cuneiform Texts from Various Collections, Yale Oriental Series 15, New Haven - London 2009 |
| 3 | Gelb, I.J. - Steinkeller, P. - Whiting, R.M., Earliest Land Tenure Systems in the Near East. Ancient Kudurrus, 2 vols, Oriental Institute Publications 104, Chicago 1991 |
| 4 | Pottorf, A.R., Social Stratification in Southern Mesopotamia during the Third Dynasty of Ur (ca. 2100–2000 BCE), Ph.D. Diss., Harvard University 2022 |
| http://oracc.museum.upenn.edu/epsd2/P142392 |
| http://cdli.earth/P142392 |