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| 1 | Legrain, L., Business Documents of the Third Dynasty of Ur, Ur Excavations Texts 3, London 1937 |
| 2 | Vischer, C. [Fischer, C.], Urikidu. Ur und seine Siegel unter den Königen der III. Dynastie von Ur, Ph.D. Diss., Ruprecht-Karls-Universität Heidelberg 2024 |
| http://cdli.earth/P137643 |
| http://www.ur-online.org/subject/3229/ |
| http://www.britishmuseum.org/collection/search?museum_number=130415 |
| http://oracc.museum.upenn.edu/epsd2/P137643 |
| http://www.ebl.lmu.de/library/BM.130415 |