SIM, George. Note of the Discovery of English Pennies of Edward I. and II. in the Parish of Keir, Dumfriesshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 6, p. 457, 1865. DOI: 10.9750/PSAS.006.457. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5217. Acesso em: 24 apr. 2024.