LAING, David. Names of some of the Persons who have Original Copies of the National Solemn League and Covenants. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 4, p. 238–250, 1862. DOI: 10.9750/PSAS.004.238.250. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/4724. Acesso em: 2 may. 2024.