| Bibliography |  Suggestions |
| 1 | Çiğ, M. - Kızılyay, H., Neusumerische Rechts- und Verwaltungsurkunden aus Nippur I = Yeni Sumer Cagina ait Nippur Hukukî ve Idarî Belgeleri I, Ankara 1965 319 Neo-Sumerian text(s) edited: 319 in Hand copy; 63 in Photo. |
| 2 | Waetzoldt, H., "Miscellanea Neo-Sumerica, III: Kollationen zu M. Çiğ - H. Kızılyay, Neusumerische rechts- und Verwaltungsurkunden aus Nippur I", Oriens Antiquus 14 (1975) 307-314 |
| 3 | Whiting, R.M., "Some Observations on the Drehem Calendar", Zeitschrift für Assyriologie 69 (1979) 1-33 |
| http://oracc.museum.upenn.edu/epsd2/P122454 |
| http://www.ebl.lmu.de/library/Ni.13515 |
| http://cdli.earth/P122454 |