SMITH, R Angus. Descriptive List of Antiquities near Loch Etive. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 9, p. 396–418, 1873. DOI: 10.9750/PSAS.009.396.418. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5517. Acesso em: 8 may. 2024.