COLES, Frederick R. Report on Stone Circles in Kincardineshire (North), and part of Aberdeenshire, with measured Plans and Drawings, obtained under the Gunning Fellowship. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 34, p. 139–198, 1900. DOI: 10.9750/PSAS.034.139.198. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6768. Acesso em: 20 apr. 2024.