Tall al-Ubajd [Ubaid]

Settlement dates to ca. 6500 to 3800 BC. It gave the name to the period. This term was coined at a conference in Baghdad in 1930.

See:

1. Harry R. Hall et  C. Leonard Woolley, Ur Excavations, vol. I (Al-‘Ubaid), Oxford 1927
2. Pinhas Delougaz, "A Short Investigation of the Temple at Al-‘Ubaid", Iraq 3 (1938), pp. 1-11.
3. https://www.cemml.colostate.edu/cultural/09476/iraq05-073.html
4. Jean Louis Huot, hasło Ubaid, w: Eric M. Meyers (wyd.), The Oxford Encyclopedia of Archaeology in the Near East, vol. V, Oxford University Press, New York - Oxford 1997, pp.. 251-252.