Notice of an Original Letter of Instructions for Sir William Fleming, by King Charles II., dated at Breda, 22nd May 1650. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 34, p. 199–202, 1900. DOI: 10.9750/PSAS.034.199.202. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6769. Acesso em: 8 dec. 2025.