BURNETT, Charles J. The Act of 1471 and its effect on the Royal Arms of Scotland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 105, p. 312–315, 1975. DOI: 10.9750/PSAS.105.312.315. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8895. Acesso em: 24 jun. 2024.