MACDONALD, George. Notes on the Roman Forts at Rough Castle and Westerwood, with a Postscript. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 67, p. 243–296, 1933. DOI: 10.9750/PSAS.067.243.296. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7880. Acesso em: 2 may. 2024.