Sufi
- 1. The Getty Art & Architecture Thesaurus. 300155124. The J. Paul Getty Trust, 2000.
- 2. The Whirling Dervishes of Rumi.
- 3. The Inayati Order. inayatiorder.org.
- 4. Sufism. BBC Religion & Ethics. 2009.
- 5. Godlas, Alan. Sufism -- Sufis -- Sufi Orders. Islam and Islamic Studies Resources: For Studying Islam and the Diverse Perspectives of Muslims.
- 6. Schimmel, Annemarie. Sufism. Encyclopaedia Britannica Online.