Notice of Excavations in a Burial Mound of the Viking Time, in Oronsay. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 25, p. 432–435, 1891. DOI: 10.9750/PSAS.025.432.435. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/6412. Acesso em: 27 oct. 2025.