CHARLESON, Malcolm MacKenzie. Notes on some Stone Implements and other Relics of the Early Inhabitants of Orkney. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 32, p. 316–324, 1898. DOI: 10.9750/PSAS.032.316.324. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6710. Acesso em: 30 apr. 2024.