CHRISTISON, David. Additional Notes on the Kirkyard Monuments of the Scottish Lowlands. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 39, p. 55–116, 1905. DOI: 10.9750/PSAS.039.55.116. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6931. Acesso em: 3 may. 2024.