GRAHAM, Angus; GORDON, Joanna. Old harbours in northern and western Scotland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 117, p. 265–352, 1988. DOI: 10.9750/PSAS.117.265.352. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9309. Acesso em: 25 apr. 2024.