Swaying between Monasticism and Laity: Reshaping the Character of Severus of Antioch in his Biography Written by Patriarch Cyriacus of Tikrit (d. 817) - Bcheiry, Iskandar (Papers presented at the Eighteenth International Conference on Patristic Studies held in Oxford 2019 ; volume 21: Hagiographica, Ascetica, Martyria, 2021)