BARCLAY, Robert. On Agricola’s Engagement with the Caledonians, under their Leader Galgacus. Archaeologia Scotica, [S. l.], v. 1, p. 565–569, 1793. Disponível em: https://journals.socantscot.org/index.php/arch-scot/article/view/345. Acesso em: 20 apr. 2024.