https://openlibrary.org/works/OL39544160W/The_history_of_the_Naqshbandi_Sufi_brotherhood_in_the_North_Caucasus
The history of the Naqshbandi Sufi brotherhood in the North Caucasus by Anna Zelinka | Open Library
The history of the Naqshbandi Sufi brotherhood in the North Caucasus by Anna Zelinka, unknown edition,
naqshbandi sufihistorynorth
https://naqshbandi.org/
Naqshbandi | Sufi Way
naqshbandi sufiway