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| 1 | Genouillac, H. de, Textes économiques d'Oumma à l'époque d'Our, Textes Cunéiformes du Musée du Louvre 5, Paris 1922 |
| 2 | Englund, R.K., "Hard work - Where will it get you? Labor management in Ur III Mesopotamia", Journal of Near Eastern Studies 50 (1991) 255-80 |
| 3 | Studevent-Hickman, B., The Organization of Manual Labor in Ur III Babylonia, 2 vols., Ph.D. Diss., Harvard University 2006 |
| http://collections.louvre.fr/recherche?q=%22AO+5668%22 |
| http://cdli.earth/P131739 |
| http://oracc.museum.upenn.edu/epsd2/P131739 |