| Bibliography |  Suggestions |
| 1 | Keiser, C.E., Selected Temple Documents of the Ur Dynasty, Yale Oriental Series 4, New Haven 1919 |
| 2 | Zarins, J., The Domestication of Equidae in Third-Millennium BCE Mesopotamia, Cornell University Studies in Assyriology and Sumerology 24, Bethesda 2014 |
| http://collections.peabody.yale.edu/search/Record/YPM-BC-016045 |
| http://oracc.museum.upenn.edu/epsd2/P142317 |
| http://www.ebl.lmu.de/library/YBC.1304 |
| http://cdli.earth/P142317 |