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| 1 | Sigrist, M., Texts from the Yale Babylonian Collections. II, Sumerian Archival Texts 3, Bethesda 2000 |
| 2 | Paoletti, P., Der König und sein Kreis. Das staatliche Schatzarchiv der III. Dynastie von Ur, Biblioteca del Próximo Oriente Antiguo 10, Madrid 2012 |
| 3 | Heimpel, W., "Twenty-Eight Trees Growing in Sumer", D.I. Owen (ed.), Garšana Studies, Cornell University Studies in Assyriology and Sumerology 6, Bethesda 2011, pp. 75-152 |
| 4 | Focke, K., Der Garten in neusumerischer Zeit, Alter Orient und Altes Testament 53, Münster 2015 |
| http://collections.peabody.yale.edu/search/Record/YPM-BC-015923 |
| http://oracc.museum.upenn.edu/epsd2/P145356 |
| http://www.ebl.lmu.de/library/YBC.1182 |
| http://cdli.earth/P145356 |