| Bibliography |  Suggestions |
| 1 | Al-Rawi, F. - D’Agostino, F. - Taylor, Neo-Sumerian Administrative Texts from Umma kept in the British Museum, Part Four (NATU IV), Nisaba. Studi Assiriologici Messinesi 24, Messina 2009 |
| 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://www.britishmuseum.org/collection/search?museum_number=104800 |
| http://oracc.museum.upenn.edu/epsd2/P201746 |
| http://www.ebl.lmu.de/library/BM.104800 |
| http://cdli.earth/P201746 |