Esmail, Esmail Mohammed Saeed, trans. “A Treatise in Arabic Letters Attributed to Al-Nadr Bin Shumail (d. 203 AH) - May God Have Mercy on Him -”. Twejer Journal 6, no. 2 (April 1, 2024): 1597–1642. Accessed July 15, 2026. https://journals.soran.edu.iq/index.php/Twejer/article/view/327.