CLOUSTON, J Storer. Some Early Orkney Armorials. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 52, p. 182–203, 1918. DOI: 10.9750/PSAS.052.182.203. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7430. Acesso em: 19 apr. 2024.