Teach Yourself Uzbek

This website compiled by Brian Geco contains a number of pdfs of Uzbek textbooks and dictionaries, including Uzbek: An Elementary Textbook, Uzbek for Foreigners, Colloquial Uzbek: A Mini Course, and the Defense Language Institute's Uzbek Textbook.    

Access Here: https://teachyourselfuzbek.com/resources/coursebooks/