Dirāsah fī al-ṭuruq al-Ṣūfīyah / al-Sayyid Muḥammad ʻAqīl ibn ʻAlī al-Mahdalī. - Mahdalī, al-Sayyid Muḥammad ʻAqīl. (Dār al-Ḥadīth, 1993)