SMITH, John Alexander. Notice of the Horns of Cattle (the Horny Sheaths of the Horns) found in Bogs in Roxburghshire and Aberdeenshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 12, p. 493–497, 1878. DOI: 10.9750/PSAS.012.493.497. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5833. Acesso em: 1 may. 2024.