His most famous book is ''Kanz al-Wusul ila Ma'refat al-Usul
(), popularly known as Usul al-Bazdawi'', which is a seminal book in Hanafi
Usul al-Fiqh and was a standard teaching text for centuries. In this work, he focuses on issues such as rules and methods of determining a variety of sources and methods for making the right decision and discourses on rules of working with texts, and so on. The
Uzbek Academy of Sciences has more than a dozen copies of this work. The book has generated numerous commentaries, the most popular of which being
Kashf al-Asrar () by '''Abd al-'Aziz al-Bukhari'' (d. 730/1329). His other works include: • Sharh al-Jami' al-Kabeer, and Sharh al-Jami' al-Sagheer (Commentaries on al-Jami' al-Kabeer, and al-Jami' al-Sagheer by
Muhammad al-Shaybani). • Sharh al-Jami' al-Sahih (Commentary on
Sahih al-Bukhari). • Al-Mabsut fi Furu' al-Fiqh (An Extensive Book on Branches of Fiqh). • Kitab al-Muyassar fi al-
Kalam (Elementary Hand-book for Dialectical Theology), a manuscript of which still survives. He also wrote on
Tafsir (Qur'anic exegesis). ==Teachers==