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| 1 | Legrain, L., Business Documents of the Third Dynasty of Ur, Ur Excavations Texts 3, London 1937 |
| 2 | Englund, R.K., "Administrative timekeeping in Ancient Mesopotamia", Journal of the Economic and Social History of the Orient 31 (1988) 121-185 |
| 3 | 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 |
| 4 | Heimpel, W., Workers and Construction Work at Garšana, Cornell University Studies in Assyriology and Sumerology 5, Bethesda 2009 1 Neo-Sumerian text(s) collated. |
| http://cdli.earth/P137880 |
| http://www.ur-online.org/subject/2533/ |
| http://oracc.museum.upenn.edu/epsd2/P137880 |
| http://www.ebl.lmu.de/library/U.3080 |