CALDWELL, David H. The Monymusk Requary: the Breccbennach of St Columba?. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 131, p. 267–282, 2002. DOI: 10.9750/PSAS.131.267.282. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9558. Acesso em: 3 may. 2024.