HILL, Richard. James Watt and the Delftfield Potter, Glasgow. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 131, p. 375–420, 2002. DOI: 10.9750/PSAS.131.375.420. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9563. Acesso em: 18 may. 2024.