-, -. Appendix: Part I: Varieties in the Sculptures. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 6, p. 2–11, 1866. DOI: 10.9750/PSAS.006.appendix.1. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5226. Acesso em: 26 apr. 2024.