| Bibliography |  Suggestions |
| 1 | Winter, I.J., "Legitimation of Authority through Image and Legend: Seals Belonging to Officials in the Administrative Bureaucracy of the Ur III State", McG. Gibson - R.D. Biggs (eds.), The Organization of Power: Aspects of Bureaucracy in the Ancient Near East, Studies in Ancient Oriental Civilizations 46, Chicago 1987 (2nd ed. 1991), pp. 59-99 |
| http://oracc.museum.upenn.edu/epsd2/P500150 |
| http://isac-idb.uchicago.edu/results.php?qb%5Boperator%5D%5Bc3%5D=&qb%5Bdataset%5D%5Bc3%5D=MC&qb%5Bfield%5D%5Bc3%5D=SrchRegisNumber&qb%5Bterm%5D%5Bc3%5D=A30769 |
| http://cdli.mpiwg-berlin.mpg.de/P500150 |