8: Origen - Constantin-Ionuţ, Mihai. (OLS)http://semarc/name/115501 (Papers presented at the Eighteenth International Conference on Patristic Studies held in Oxford 2019, 2021)
Keywords: Origene <ca. 184-253>. (OLS)http://semarc/subject/169; Patristica - Atti di congressi. (OLS)http://semarc/subject/1239