GREGORY, Donald. Notes regarding various Remains of Antiquity, both of the Earlier and Middle Ages, observed during a recent Visit to the Hebrides. Archaeologia Scotica, [S. l.], v. 4, p. 362–365, 1858. Disponível em: https://journals.socantscot.org/index.php/arch-scot/article/view/305. Acesso em: 22 jul. 2024.