| Bibliography |  Suggestions |
| 1 | Legrain, L., Business Documents of the Third Dynasty of Ur, Ur Excavations Texts 3, London 1937 |
| 2 | Paoletti, P., “The Manufacture of a Statue of Nanaja: Mesopotamian Jewellery-Making Techniques at the End of the Third Millennium B.C.”, S. Garfinkle - M. Molina (eds.), From the 21st Century BC to the 21st Century AD. Proceedings of the International Conference on Neo-Sumerian Studies Held in Madrid, July 22-24, 2010, Winona Lake 2013, pp. 333-345 |
| http://oracc.museum.upenn.edu/epsd2/P136860 |
| http://www.ebl.lmu.de/fragmentarium/U.4235 |
| http://cdli.mpiwg-berlin.mpg.de/P136860 |