CURLE, Alexander O. Description of the Fortifications on Ruberslaw, Roxburghshire, and Notices of Roman Remains found there. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 39, p. 219–232, 1905. DOI: 10.9750/PSAS.039.219.232. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6939. Acesso em: 18 apr. 2024.