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2. Winters, Jonah , ‘Themes of the Erotic in Sufi Mysticism’. Online: http://bahai-library.com/?file=winters_themes_erotic_sufism.html (posted 1997); http://bahai-library.com/pdf/w/winters_erotic_mysticism.pdf (updated and reloaded 2016).
3. Some Mystics of the Later Third/Ninth Century;Watt;Islamic Studies,1968
4. Rūmī and the Hermeneutics of Eroticism