Excavations at Upper Suisgill, Sutherland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 115, p. 159–198, 1987. DOI: 10.9750/PSAS.115.159.198. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9207. Acesso em: 4 feb. 2026.