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| 1 | Keiser, C.E., Selected Temple Documents of the Ur Dynasty, Yale Oriental Series 4, New Haven 1919 |
| 2 | Gelb, I.J., "Prisoners of War in Early Mesopotamia", Journal of Near Eastern Studies 32 (1973) 70-98 |
| 3 | Pomponio, F., "Un motivo per cui le tavolette amministrative neo-sumeriche sono così numerose", G.B. Lanfranchi, D. Morandi Bonacossi, C. Pappi, and S. Ponchia (eds.), Leggo! Studies Presented to Frederick Mario Fales on the Occasion of His 65th Birthday, Wiesbaden 2012, pp. 637-652 |
| http://collections.peabody.yale.edu/search/Record/YPM-BC-016213 |
| http://oracc.museum.upenn.edu/epsd2/P142131 |
| http://www.ebl.lmu.de/library/YBC.1472 |
| http://cdli.earth/P142131 |