SMITH, John Alexander. Notes of Rock Sculpturings of Cups and Concentric rings, and ’The Witch’s Stone’ on Tormain Hill; also of some Early Remains on the Kaimes Hill, &c., near Ratho, Edinburghshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 10, p. 141–151, 1874. DOI: 10.9750/PSAS.010.141.151. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5658. Acesso em: 19 apr. 2024.