| Bibliography |  Suggestions |
| 1 | Hallo, W.W., “Day Dates in Texts from Drehem,” S. Garfinkle - C. Johnson (eds.), The Growth of an Early State in Mesopotamia: Studies in Ur III Administration, Biblioteca del Próximo Oriente Antiguo 5, Madrid 2008, pp. 99-118 |
| http://oracc.museum.upenn.edu/epsd2/P405455 |
| http://cdli.mpiwg-berlin.mpg.de/P405455 |