MARWICK, Hugh. Celtic Place-names in Orkney. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 57, p. 251–265, 1923. DOI: 10.9750/PSAS.057.251.265. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7580. Acesso em: 23 apr. 2024.