Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "al-Mustanṣir bi-Allāh (Abū Jaʿfar al-Mustanṣir al-Manṣūr ibn al-Ẓāhir) — المستنصر بالله أبو جعفر المستنصر المنصور بن الظاهر " in Communities of Knowledge: Interreligious Networks of Scholars in Ibn Abi Usaybiʿa’s History of the Physicians last modified June 23, 2021, https://usaybia.net/person/1689 al-Mustanṣir bi-Allāh (Abū Jaʿfar al-Mustanṣir al-Manṣūr ibn al-Ẓāhir) المستنصر بالله أبو جعفر المستنصر المنصور بن الظاهر al-Mustanṣir bi-Allāh (Abū Jaʿfar al-Mustanṣir al-Manṣūr ibn al-Ẓāhir), Abbasid caliph (`reg.` 623–640/1226–1242) https://usaybia.net/person/1689 caliph Muslim A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah 8.4.3n 10.38.3 5.35 15.40.7