Sufism: An Introduction to the Mystical Tradition of IslamMay 10 2011by Carl W. Ernst Ph.D.
Sufism: Veil and Quintessence A New Translation with Selected LettersDec 11 2006by Frithjof Schuon and James Cutsinger
Al-Ghazali's Path to SUFISM : His Deliverance from Error (al-Munqidh min al-Dalal) and Five Key TextsJan 1 2000by Abu Hamid Muhammad al-Ghazali and William A. Graham
Kernel of the Kernel: Concerning the Wayfaring and Spiritual Journey of the People of Intellect (Risala-Yi Lubb...May 8 2003by Muhammad Husayn Husayni Tihrani and Muhammad Husayn Tabatabai
The Garden Of Truth: The Vision and Promise of Sufism, Islam's Mystical TraditionAug 14 2008by Seyyed H Nasr
Sufism and Taoism: A Comparative Study of Key Philosophical ConceptsAug 6 1984by Toshihiko Izutsu
From Sufism to Ahmadiyya: A Muslim Minority Movement in South AsiaApr 6 2015by Adil Hussain Khan