↑Mandaville, Jon E. (1 July 1970). "The Ottoman Province of al-Hasā in the Sixteenth and Seventeenth Centuries". Journal of the American Oriental Society. 90 (3): 486. doi:10.2307/597091.
↑Habib, John S. (1978-01-01). Ibn Sa'ud's Warriors of Islam: The Ikhwan of Najd and Their Role in the Creation of the Sa'udi Kingdom, 1910-1930. Brill. p. 13. ISBN 978-90-04-05757-9.
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