SIM, George. Notice of a Rare Medal of Provost Drummond of Edinburgh. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 3, p. 393–394, 1862. DOI: 10.9750/PSAS.003.393.394. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/4536. Acesso em: 20 apr. 2024.