GALLOWAY, William. Notice of a Sculptured Stone in the Churchyard at Tullibole, Kinross-shire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 13, p. 316–320, 1879. DOI: 10.9750/PSAS.013.316.320. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5883. Acesso em: 18 jul. 2024.