LITTLE, William. An Inquiry into the Expedients used by the Scots before the Discovery of Metals. Archaeologia Scotica, [S. l.], v. 1, p. 389–395, 1793. Disponível em: https://journals.socantscot.org/index.php/arch-scot/article/view/372. Acesso em: 18 apr. 2024.