STUART, John; MATHESON, James. Note of Incised Marks on one of a Circle of Standing Stones in the Island of Lewis. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 3, p. 212–214, 1862. DOI: 10.9750/PSAS.003.212.214. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/4518. Acesso em: 24 apr. 2024.