Ṭabaqāt al-ṣūfīyah, wa-yalīh, dhikr al-niswah al-mutaʻabbidāt al-ṣūfiyyāt al-juzʼ al-awwal - al-Sulamī, Abū ʻAbd al-Raḥmān Muḥammad ibn al-Ḥusayn ibn Muḥammad al-Azdī approximately 937-1021 (Almanhal Islamic Studies E-Book Collection, 2013)