STEWART, Charles. Notice of Sepulchral Mounds and Cup-marked Stones, near Fortingall, in Glenlyon, Perthshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 18, p. 376–378, 1884. DOI: 10.9750/PSAS.018.376.378. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6116. Acesso em: 18 apr. 2024.