| Bibliography |  Suggestions |
| 1 | Sigrist, M. - Owen, D.I. - Young, G.D., The John Frederick Lewis Collection - Part II, Materiali per il Vocabolario Neosumerico 13, Rome 1984 |
| 2 | Sallaberger, W., Der kultische Kalender der Ur III-Zeit, 2 vols, Berlin - New York 1993 |
| 3 | Widell, M., The Administrative and Economic Ur III Texts from the City of Ur, Piscataway 2003 |
| 4 | Molina, M., "[Review of] M. Widell, The Administrative and Economic Ur III Texts from the City of Ur, Piscataway 2003", Bibliotheca Orientalis 63 (2006) 311-314 |
| http://cdli.mpiwg-berlin.mpg.de/P116907 |
| http://oracc.museum.upenn.edu/epsd2/P116907 |