J. Wiewiorowski, «Comes Hispaniarum Octavianus - the special envoy of Constantine the Great (some Remarks)», Gerión, vol. 24, fasc. 1, pp. 325–340, lug. 2006, Consultato: lug. 15, 2026. Disponibile su: https://revistas.ucm.es/index.php/GERI/article/view/GERI0606120325A