GOUDIE, Gilbert. A Norwegian Conveyance of Land in Shetland, 1537. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 25, p. 188–195, 1891. DOI: 10.9750/PSAS.025.188.195. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6401. Acesso em: 24 apr. 2024.