STEWART, Ian H. Some Scottish Ceremonial Coins. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 98, p. 254–275, 1967. DOI: 10.9750/PSAS.098.254.275. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8684. Acesso em: 24 apr. 2024.