The Arab conquests in Central Asia - Gibb, H A R (Hamilton Alexander Rosskeen), 1895-1971. (India: Cosmo Publication, 2012)
"The first draft of this work was presented to the University of London ... 1921, under the title of The Arab conquest of Transoxania, as a thesis for the degree of master of arts."
"Bibliography of chief works cited": p. 100-102.
Keywords: Islamic Empire