MACKINTOSH, H B. Fragments of a Jet Necklace found at Greenhowe, Pluscarden, Morayshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 58, p. 239–241, 1924. DOI: 10.9750/PSAS.058.239.241. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7599. Acesso em: 13 jul. 2024.