| Bibliography |  Suggestions |
| 1 | Yıldız, F. - Waetzoldt, H. - Renner, H., Die Umma-Texte aus den Archäologischen Museen zu Istanbul. Nr. 1-600, Materiali per il Vocabolario Neosumerico 14, Rome 1988 599 Neo-Sumerian text(s) edited: 2 in Hand copy; 599 in Transliteration. |
| 2 | Waetzoldt, H. - Yıldız, F., Die Umma-Texte aus den Archäologischen Museen zu Istanbul. Band II. Nr. 601-1600, Materiali per il Vocabolario Neosumerico 16, Rome 1994 999 Neo-Sumerian text(s) edited: 999 in Transliteration. |
| 3 | 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/P117893 |
| http://cdli.earth/P117893 |