COLES, Frederick R. Report on Stone Circles surveyed in the North-East of Scotland (Banffshire and Moray), with measured Plans and Drawings; obtained under the Gunning Fellowship. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 41, p. 130–172, 1907. DOI: 10.9750/PSAS.041.130.172. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7081. Acesso em: 6 may. 2024.