| Bibliography |  Suggestions |
| 1 | Tsouparopoulou, C., The Ur III Seals Impressed on Documents from Puzriš-Dagān (Drehem), Heidelberger Studien zum Alten Orient 16, Heidelberg 2015 |
| http://collections.peabody.yale.edu/search/Record/YPM-BC-016296 |
| http://www.ebl.lmu.de/library/MLC.1555 |