FARRER, James. Notice of a ’Burgh,’ Recently Opened in the Island of Burray, Orkney. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 2, p. 5–6, 1856. DOI: 10.9750/PSAS.002.5.6. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/4381. Acesso em: 4 may. 2024.