KERR, Robert; LAMB, J A. Scottish Episcopal Communion Tokens. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 81, p. 118–133, 1949. DOI: 10.9750/PSAS.081.118.133. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8276. Acesso em: 24 jul. 2024.