GRAHAM, Angus. The Devil’s Dyke in Galloway. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 83, p. 174–185, 1951. DOI: 10.9750/PSAS.083.174.185. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8338. Acesso em: 24 apr. 2024.