THOMSON, George. A comparison of ligatures on gravestones in Scotland, Northern Germany and the French Basque region. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 152, p. 289–303, 2023. DOI: 10.9750/PSAS.152.1365. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10705. Acesso em: 18 may. 2024.