| Bibliography |  Suggestions |
| 1 | Nikol'skij, M., Документы хозяйственной отчетности древней Халдеи из собрания Н.П. Лихачева / Ч.II, Эпоха династии Агаде и эпоха династии Ура [Documents of Economic Accounting from Ancient Chaldea in the Collection of N.P. Likhachev. Vol. II. The Age of the Agade Dynasty and the Age of the Ur Dynasty], Drevnosti Vostocnya 5, Moscow 1915 |
| 2 | Civil, M., The Farmer's Instructions. A Sumerian Agricultural Manual, Aula Orientalis. Supplementa 5, Sabadell 1994 |
| 3 | Steinkeller, P., "New Light on the Hydrology and Topography of Southern Babylonia in the Third Millennium", Zeitschrift für Assyriologie 91 (2001) 22-84 |
| 4 | Blaschke, T., Euphrat und Tigris im Alten Orient, Leipziger Altorientalistische Studien 6, Wiesbaden 2018 |
External Resources
| http://oracc.museum.upenn.edu/epsd2/P121787 |
| http://cdli.earth/P121787 |