| Bibliography |  Suggestions |
| http://bdtns.cesga.es/171769 |
| http://www.britishmuseum.org/collection/search?museum_number=100280 |
| http://www.ebl.lmu.de/library/BM.100280 |
| http://cdli.earth/P412916 |
|
| http://bdtns.cesga.es/171769 |
| http://www.britishmuseum.org/collection/search?museum_number=100280 |
| http://www.ebl.lmu.de/library/BM.100280 |
| http://cdli.earth/P412916 |