BRYDALL, Robert. Notice of the Priory Church of Ardchattan and its Carved Stones. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 33, p. 33–47, 1899. DOI: 10.9750/PSAS.033.33.47. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6724. Acesso em: 4 may. 2024.