| Bibliography |  Suggestions |
| 1 | Gelinas, P., History of the World for Young Readers, New York 1965 |
| 2 | Hallo, W.W., "The Neo-Sumerian Letter-Orders", Bibliotheca Orientalis 26 (1969) 171-176 |
| 3 | Michalowski, P., Letters from Early Mesopotamia, SBL Writings from the Ancient World 3, Atlanta 1993 |
| http://oracc.museum.upenn.edu/epsd2/P106786 |
| http://cdli.mpiwg-berlin.mpg.de/P106786 |