PAUL, James. Ancient Artillery: With Some Notes on Mons Meg. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 50, p. 191–201, 1916. DOI: 10.9750/PSAS.050.191.201. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7384. Acesso em: 3 may. 2024.