| Bibliography |  Suggestions |
| 1 | Di Ludovico, A., “Symbols and Bureaucratic Performances in the Ur III Administrative Sphere: An Interpretation Through Data Mining”, 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. 125-151 |
| http://collections.peabody.yale.edu/search/Record/YPM-BC-000095 |
| http://oracc.museum.upenn.edu/epsd2/P200787 |
| http://www.ebl.lmu.de/fragmentarium/MLC.92 |
| http://cdli.mpiwg-berlin.mpg.de/P200787 |