LAING, Alexander. Notice of a Fragment of an Ancient Stone Cross found at Carpow, in the Parish of Abernethy, Perthshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 12, p. 462–465, 1878. DOI: 10.9750/PSAS.012.462.465. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5830. Acesso em: 6 may. 2024.