RALSTON, Ian; CLOSE-BROOKS, Joanna. The Arbroath Antiquary Club’s excavations at Castle Rock promontory fort, Auchmithie, Arbroath and Saint Vigeans, Angus District. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 116, p. 101–115, 1987. DOI: 10.9750/PSAS.116.101.115. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9262. Acesso em: 21 apr. 2024.