| 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 | Tsouparopoulou, C., The Ur III Seals Impressed on Documents from Puzriš-Dagān (Drehem), Heidelberger Studien zum Alten Orient 16, Heidelberg 2015 |
| 3 | Tsouparopoulou, C., "A note on Ur III administrative procrastination", Cuneiform Digital Library Notes 2014: 9 (2 pp.) |
| http://cdli.mpiwg-berlin.mpg.de/P116861 |
| http://oracc.museum.upenn.edu/epsd2/P116861 |