SMITH, John Alexander. Notice of the Shingled Roof of the Tower of the Canongate Tolbooth, Edinburgh. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 9, p. 162–167, 1872. DOI: 10.9750/PSAS.009.162.167. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5507. Acesso em: 29 apr. 2024.