MACKENZIE, W M. Notes on certain Structures of Archaic Type in the Island of Lewis - Beehive Houses, Duns, and Stone Circles. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 38, p. 173–204, 1904. DOI: 10.9750/PSAS.038.173.204. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6976. Acesso em: 27 apr. 2024.