Fikr wa-aḫlāq al-ʿĀrif billāh Sahl Ibn-ʿAbdallāh at-Tustarī iḍāʿāt ʿalā ḥayātihi ar-rūḥīya wa-aqwālihi aṣ-ṣūfīya fī aḥwāl sulūk aṭ-ṭarīqa wa-maqāmāt šuhūd anwār al-ḥaqīqa - Tustarī, Sahl Ibn-ʿAbdallāh at- 818-896 (Dār al-Kutub al-ʿIlmīya, 2008)
PST: The Thoughts and ethics of Sahl ben ʿAbdullah al-Tustari. - In arab. Schr., arab