BREEZE, David J; DOBSON, Brian. The development of the mural frontier in Britain from Hadrian to Caracalla. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 102, p. 109–121, 1973. DOI: 10.9750/PSAS.102.109.121. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8771. Acesso em: 16 apr. 2024.