| Bibliography |  Suggestions |
| 1 | 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). III. Les Sources, Paris 2001 |
| 2 | Widell, M., "The Sumerian Expression a-ra2 X-kam and the Use of Installments in the Ur III Administration", M. Widell - P. Daneshmand (eds.), Discussions in Assyriology, The Digital Archive of Brief Notes & Iran Review 9, Irvine 2022, pp. 8-20 |
| http://cdli.ucla.edu/P249141 |
| http://oracc.museum.upenn.edu/epsd2/P249141 |