| Bibliography |  Suggestions |
| 1 | Langdon, S.H., "Astronomy and the Sumerian Calendar", Proceedings of the Society of Biblical Archaeology 34 (1912) 248-256 |
| 2 | Langdon, S.H., "A tablet from Umma in the Ashmolean Museum", Proceedings of the Society of Biblical Archaeology 35 (1913) 47-52, pl. iv |
| 3 | Grégoire, J.-P., Contribution à l’Histoire Sociale, Économique, Politique et Culturelle du Proche-Orient Ancien. Archives Administratives et Inscriptions Cunéiformes de l’Ashmolean Museum et de la Bodleian Collection d’Oxford (AAICAB). I. Les Sources, Paris 1996 |
| http://cdli.mpiwg-berlin.mpg.de/P127265 |
| http://oracc.museum.upenn.edu/epsd2/P127265 |