LAING, David. John Earl of Gowrye, and the Alleged Conspiracy at Perth, August 5, 1600: An Historical Inquiry, in two parts: Part First - The King’s Manifesto; or, ’A Discourse of the Unnatural and Vile Conspiracie,’ &c. Edinburgh, 1600. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 12, p. 311, 1877. DOI: 10.9750/PSAS.012.311. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5826. Acesso em: 3 may. 2024.