An Sithean, Islay. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 114, p. 161–188, 1985. DOI: 10.9750/PSAS.114.161.188. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/9157. Acesso em: 1 oct. 2025.