DUNS, Professor. Notice of a Bronze Penannular Brooch from the Island of Mull. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 13, p. 67–72, 1879. DOI: 10.9750/PSAS.013.67.72. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5871. Acesso em: 6 may. 2024.