MACPHERSON, Archibald. Scottish Sacrament Houses. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 25, p. 89–116, 1891. DOI: 10.9750/PSAS.025.89.116. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6394. Acesso em: 3 may. 2024.