RITCHIE, James. Folklore of the Aberdeenshire Stone Circles and Standing-stones. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 60, p. 304–313, 1926. DOI: 10.9750/PSAS.060.304.313. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7678. Acesso em: 6 may. 2024.