Bosworth, C.E. (1996) The new Islamic dynasties: a chronological and genealogical manual Columbia University Press, New York, pp.
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In 1508 Sheibani Khan subjugated other cities of Khorasan: Damghan, Astrabad, Mashhad, etc.
After being released in 1428, Abu'l-Khayr began consolidating various nomadic groups of the old Shaybani ulus in the area around Tyumen and the Tura River.