GRAHAM, Angus. Headstones in Post-Reformation Scotland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 91, p. 1–9, 1960. DOI: 10.9750/PSAS.091.1.9. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8546. Acesso em: 19 apr. 2024.