CALDER, Charles S T. Notes: (7) Note on a Pictish Cross-Slab from Gellyburn, Perthshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 85, p. 175–177, 1953. DOI: 10.9750/PSAS.085.175.177. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8395. Acesso em: 27 apr. 2024.