SIMPSON, W Douglas. The Architectural History of Bothwell Castle. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 59, p. 165–193, 1925. DOI: 10.9750/PSAS.059.165.193. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7644. Acesso em: 26 apr. 2024.