Husham Ali Obai, and Dr. Imad Jassim Hasan. “The Holmes Concession and the British-American Rivalry for Bahrain’s Oil (1925-1929) (658/676, 1260/1277 AD)”. PalArch’s Journal of Archaeology of Egypt / Egyptology 18, no. 08 (July 25, 2021): 3359-3375. Accessed November 24, 2024. https://archives.palarch.nl/index.php/jae/article/view/9467.