| Bibliography |  Suggestions |
| 1 | Goetze, A., "Two Ur-Dynasty Tablets dealing with Labor", Journal of Cuneiform Studies 16 (1962) 13-16 2 Neo-Sumerian text(s) edited: 2 in Handcopy; 2 in Transliteration; 2 in Translation. |
| 2 | Owen, D.I., "The Ensis of Gudua", Acta Sumerologica 15 (1993) 131-152 |
| 3 | Englund, R.K., "Equivalency Values and the Command Economy of the Ur III Period in Mesopotamia", J. K. Papadopoulos - G. Urton (eds.), The Construction of Value in the Ancient World, Los Angeles 2012, pp. 427-458 |
| http://oracc.museum.upenn.edu/epsd2/P111938 |
| http://cdli.ucla.edu/P111938 |