BLYTH, R H. Notes on a Camp and Fort on the Garpol Burn, near Moffat. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 20, p. 331–335, 1886. DOI: 10.9750/PSAS.020.331.335. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6205. Acesso em: 30 apr. 2024.