al-Durr al-Maknun (لدر المكنون في أسئلة ما كان وما يكون)Digitized manuscript collection (Folios 1-227) at University of Leipzig.
The author, al-Hakim al-Tirmidhi (الحكيم الترمذي) (820 A.D.-869 A.D.) of Temez in modern-day Uzbekistan, was a Jurist, Khorasan Scholar, and early author Sufism.
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