ŁUĆ, I. Idea Virtus na monetach cesarza Konstantyna Wielkiego. Typy VIRTVS MILITVM, VIRTVS EXERCITVS, VIRTVS EXERCITVS GALL, VIRTVS PERP AVG i VIRT CONSTANTINI AVG. Vox Patrum, [S. l.], v. 87, p. 247–266, 2023. DOI: 10.31743/vp.15569. Disponível em: https://czasopisma.kul.pl/index.php/vp/article/view/15569. Acesso em: 22 jul. 2024.