DRUMMOND, James. Notes of Early Monumental Art in the West Highlands. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 9, p. 24–28, 1871. DOI: 10.9750/PSAS.009.24.28. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5494. Acesso em: 19 apr. 2024.