| Bibliography |  Suggestions |
| 1 | Kang, S.T., Sumerian Economic Texts from the Drehem Archive, Sumerian and Akkadian Cuneiform Texts in the Collection of the World Heritage Museum of the University of Illinois I, Urbana - Chicago - London 1972 |
| http://cdli.mpiwg-berlin.mpg.de/P128898 |
| http://oracc.museum.upenn.edu/epsd2/P128898 |