COLES, Frederick R. Report on Stone Circles of the North-East of Scotland - the Buchan District - with measured Plans and Drawings, obtained under the Gunning Fellowship. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 38, p. 256–305, 1904. DOI: 10.9750/PSAS.038.256.305. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6978. Acesso em: 19 apr. 2024.