ANDERSON, Joseph. Notes on the Ornamentation of the Silver Brooches found at Skaill, Orkney, and now in the Museum. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 15, p. 286–298, 1881. DOI: 10.9750/PSAS.015.286.298. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5976. Acesso em: 5 may. 2024.