MORRISON, James. Note on the Discovery of an Incised Symbol-bearing Slab at Easterton of Roseisle, Elginshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 29, p. 449–453, 1895. DOI: 10.9750/PSAS.029.449.453. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6602. Acesso em: 30 apr. 2024.