HENSHALL, Audrey S. Notes: (6) The Jet necklace found at Greenhowe, Pluscarden Moray. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 98, p. 318–320, 1967. DOI: 10.9750/PSAS.098.318.320. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8691. Acesso em: 23 apr. 2024.