The excavation of two Bronze Age burial cairns at Bu Farm, Rapness, Westray, Orkney. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 126, p. 103–120, 1997. DOI: 10.9750/PSAS.126.103.120. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9931. Acesso em: 6 dec. 2025.