MACKINLAY, J M. Traces of the Cultus of St Fergus in Scotland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 38, p. 445–453, 1904. DOI: 10.9750/PSAS.038.445.453. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6985. Acesso em: 25 apr. 2024.