FERGUSON, William. Notes: (2) Two Pictish Symbol-stones recently found at Tilly-tarmont, Rothiemay, Aberdeenshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 88, p. 223–224, 1956. DOI: 10.9750/PSAS.088.223.224. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8471. Acesso em: 26 apr. 2024.