[1]Frayne, Douglas R. and Stuckey, Johanna H., "N", A Handbook of Gods and Goddesses of the Ancient Near East: Three Thousand Deities of Anatolia, Syria, Israel, Sumer, Babylonia, Assyria, and Elam, University Park, USA: Penn State University Press, pp. 219-287, 2021
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[3]H. R. Hall, "Season's Work at Ur; Al-'Ubaid, Abu Shahrain (Eridu), and Elsewhere; Being an Unofficial Account of the British Museum Archaeological Mission to Babylonia, 1919", Methuen, 1930
[4]Hall, Henry R. and Woolley, C. Leonard, "Al-'Ubaid. Ur Excavations 1, A report on the work carried out at al-'Ubaid for the British Museum in 1919 and for the joint expedition in 1923-4", Oxford: Oxford University Press, 1927
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[2]Firth, Richard, "Notes on Year Names of the Early Ur III Period: Ĺ ulgi 20-30", Cuneiform Digital Library Journal CDLJ 2013-1, 2013
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[5]P. Delougaz,
"Planoconvex Bricks and the Methods of their Employment", Studies in Ancient Oriental Civilization 7, Chicago: The University of Chicago Press, 1933
[7] OIP 53. The Temple Oval at Khafajah, Pinhas Delougaz, with a chapter by Thorkild Jacobsen. 1940 (also as ISBN0-226-14234-5)
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[6]Paszke, Marcin Z., "Bird species diversity in 3rd millennium BC Mesopotamia: The case of the Al-Ubaid bird frieze from the Temple of Nin", Bioarchaeology of the Near East 15, pp. 25-54, 2021