%0 Generic %A Norris, H. T. %@ 9780191682889 (ebook) : %@ 0191682888 (ebook) : %T Ṣūfī mystics of the Niger Desert Sīdī Maḥmūd and the hermits of Aïr / %U https://ezaccess.libraries.psu.edu/login?url=http://dx.doi.org/10.1093/acprof:oso/9780198265382.001.0001