GRAHAM, Angus. Report on the Partial Excavation of Dun Breac, Skipness. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 49, p. 50–55, 1915. DOI: 10.9750/PSAS.049.50.55. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7352. Acesso em: 26 apr. 2024.