HEIJNEN, S.; MOORMANN, E. M. A Portrait Head of Severus Alexander in Delft. Archäologischer Anzeiger, [S. l.], v. 1, p. 1–9 (§), 2020. DOI: 10.34780/aa.v0i1.1017. Disponível em: https://publications.dainst.org/journals/aa/article/view/2622. Acesso em: 25 apr. 2024.