Nathan P. Gibson, Vanessa Birkhahn and Hanna Friedel, (eds.), "ʿAlāʾ al-Dīn Kayqubādh — علاء الدين كيقباذ " 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/447 ʿAlāʾ al-Dīn Kayqubādh علاء الدين كيقباذ ʿAlāʾ al-Dīn Kayqubādh, Seljuq sultan of Rūm (`reg.` 616–634/1219–1237) https://usaybia.net/person/447 sultan Muslim A literary history of medicine: the 'Uyūn al-anbā' fī ṭabaqāt al-aṭibbā' of Ibn Abī Uṣaybi'ah