ANDERSON, Joseph. On the Chambered Cairns of Caithness, with Results of Recent Explorations. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 6, p. 442–451, 1865. DOI: 10.9750/PSAS.006.442.451. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5215. Acesso em: 26 apr. 2024.