| Bibliography |  Suggestions |
| 1 | Jones, T.B. - Snyder, J.W., Sumerian Economic Texts from the Third Ur Dynasty. A Catalogue and Discussion of Documents from Various Collections, Minneapolis 1961 |
| 2 | Civil, M., The Farmer's Instructions. A Sumerian Agricultural Manual, Aula Orientalis - Supplementa 5, Sabadell 1994 |
| http://oracc.museum.upenn.edu/epsd2/P129576 |
| http://cdli.earth/P129576 |