STUART, John. Historical Notices of St Fillan’s Crozier, and of the Devotion of King Robert Bruce to St. Fillan. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 12, p. 134–182, 1877. DOI: 10.9750/PSAS.012.134.182. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5806. Acesso em: 25 apr. 2024.