| Bibliography |  Suggestions |
| 1 | Al-Rawi, F. - Verderame, L., Documenti amministrativi neo-sumerici da Umma conservati al British Museum (NATU II), Nisaba. Studi Assiriologici Messinesi 11, Messina 2006 |
| http://www.britishmuseum.org/collection/search?museum_number=104777 |
| http://oracc.museum.upenn.edu/epsd2/P208732 |
| http://www.ebl.lmu.de/fragmentarium/BM.104777 |
| http://cdli.ucla.edu/P208732 |