Bibliographies may save you a bit of work. Instead of googling items they can give you a quick and peer-reviewed overview of what has been published on a topic so far.
Bibliography of Islamic Central Asia by Yuri Bregel
Soviet Central Asia: a bibliography by Richard A. Pierce
Nationalities of the Soviet East: publications and writing systems. A bibliographical directory and transliteration tables for Iranian-and Turkic-language publications, 1818-1945, located in U.S. libraries by Edward AllworthResponsible Officer: University Librarian/Page Contact: Library Systems & Web Coordinator
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