MATHESON, James; INNES, Cosmo. Notice of a Chamber recently excavated in the Stone Circle of Callernish in the Lewis. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 3, p. 110–112, 1862. DOI: 10.9750/PSAS.003.110.112. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/4499. Acesso em: 3 may. 2024.