The excavation of the Knowes of Quoyscottie, Orkney: a cemetery of the first millenium BC. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 108, p. 130–155, 1979. DOI: 10.9750/PSAS.108.130.155. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8966. Acesso em: 5 dec. 2025.