HAMILTON, George. Notices of Rock-Sculpturings of Cups and Circles in Kirkcudbrightshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 21, p. 151–160, 1887. DOI: 10.9750/PSAS.021.151.160. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6232. Acesso em: 19 apr. 2024.