STEVENSON, Robert B K. Scottish Coin Notes. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 91, p. 195–199, 1960. DOI: 10.9750/PSAS.091.195.199. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8567. Acesso em: 25 apr. 2024.