BEATON, Angus J. Notes on the Antiquities of the Black Isle, Ross-shire, with Plans and Sections. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 16, p. 477–492, 1882. DOI: 10.9750/PSAS.016.477.492. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6035. Acesso em: 25 apr. 2024.