See:
- http://www.cimec.ro/Arheologie/Digitalarchives/5Sites/Capidava/Illustrations/Capidava.htm
- Ioan Carol Opris, Alexandru Rațiu: An Early Byzantine Building Next to the Main Gate at Capidava: Moesica et Christiana : studies in honour of professor Alexandru Barnea, Brăila: Istros, 2016