STEWART, Ian. Early groats from the Melrose area and a Trapezuntine asper from the Hebrides. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 107, p. 324, 1978. DOI: 10.9750/PSAS.107.324. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8952. Acesso em: 29 apr. 2024.