Bober, Andrzej. “Severinus As a Socio-Political Leader in Noricum (5th Century)”. Balcanica Posnaniensia. Acta et studia 1 (December 28, 1984): 317–324. Accessed September 21, 2026. https://pressto.amu.edu.pl/index.php/bp/article/view/55705.