Excavation at the Ness of Burgi, Shetland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 70, p. 381–387, 1936. DOI: 10.9750/PSAS.070.381.387. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/7989. Acesso em: 27 oct. 2025.