STUART, John. Remarks on the Ancient Structures called Picts’ Houses and Burghs, with especial reference to the Burgh of Mousa in Shetland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 3, p. 187–195, 1862. DOI: 10.9750/PSAS.003.187.195. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/4513. Acesso em: 25 apr. 2024.