MCROBERTS, David. The Ecclesiastical Significance of the St Ninian’s Isle Treasure. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 94, p. 301–314, 1963. DOI: 10.9750/PSAS.094.301.314. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8612. Acesso em: 4 may. 2024.