ROSS, Anne. The Human Head in Insular Pagan Celtic Religion. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 91, p. 10–43, 1960. DOI: 10.9750/PSAS.091.10.43. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8547. Acesso em: 7 may. 2024.