DUNBAR, John G. Excavations at Skirling Castle, Peeblesshire; 1962-3. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 96, p. 237–246, 1965. DOI: 10.9750/PSAS.096.237.246. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10078. Acesso em: 27 apr. 2024.