ISBN 978-1-85743-137-7. Retrieved 2007-12-27. ↑ Azamatov, Danil D. (1998), "The Muftis of the Orenburg Spiritual Assembly in the 18th and 19th Centuries: The Struggle for Power in Russia's Muslim Institution", in Anke von Kugelgen; Michael Kemper; Allen J. Frank, Muslim culture in Russia and Central Asia from the 18th to the early 20th centuries, vol.