TURNER, D J; DUNBAR, John G. Breachacha Castle, Coll: excavation and field survey, 1965-8. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 102, p. 155–187, 1973. DOI: 10.9750/PSAS.102.155.187. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8776. Acesso em: 4 may. 2024.