MACKINLAY, J M. ’In Oceano Desertum’ - Celtic Anchorites and their Island Retreats. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 33, p. 129–133, 1899. DOI: 10.9750/PSAS.033.129.133. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6732. Acesso em: 5 may. 2024.