| Bibliography |  Suggestions |
| 1 | Keiser, C.E., Selected Temple Documents of the Ur Dynasty, Yale Oriental Series 4, New Haven 1919 |
| 2 | Civil, M., The Farmer's Instructions. A Sumerian Agricultural Manual, Aula Orientalis - Supplementa 5, Sabadell 1994 |
| http://collections.peabody.yale.edu/search/Record/YPM-BC-016247 |
| http://oracc.museum.upenn.edu/epsd2/P142134 |
| http://www.ebl.lmu.de/library/YBC.1506 |
| http://cdli.earth/P142134 |