Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "Thaʿlab, Abū l-ʿAbbās Aḥmad ibn Yaḥyā ibn Zayd — ثعلب أبو العباس أحمد بن يحيى بن زيد " 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/2198 Thaʿlab, Abū l-ʿAbbās Aḥmad ibn Yaḥyā ibn Zayd ثعلب أبو العباس أحمد بن يحيى بن زيد Thaʿlab, Abū l-ʿAbbās Aḥmad ibn Yaḥyā ibn Zayd, grammarian (200–291/815–904) https://usaybia.net/person/2198 grammarian A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah 15.40 15.40.9 no. 10