| Bibliography |  Suggestions |
| 1 | Koslova, N., Neusumerische Verwaltungstexte aus Umma aus der Sammlung der Ermitage zu St. Petersburg - Rußland, Materiali per il Vocabolario Neosumerico 21, Rome 2000 411 Neo-Sumerian text(s) edited: 411 in Transliteration. |
| 2 | 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://cdli.earth/P120289 |
| http://oracc.museum.upenn.edu/epsd2/P120289 |