STOYANOVA, P. .; DOYCHINOVA-ILCHEV, M. . A Hoard of Protomiliarenses (?) of Constantine I with Crispus and Constantine II Caesars found near the Northern Fortress Wall of Serdica. Bulgarian Numismatic Journal, [S. l.], v. 1, p. 241–276, 2025. DOI: 10.5281/zenodo.18078268. Disponível em: https://bulgnj.com/index.php/e-journal/article/view/176. Acesso em: 26 jul. 2026.