Excavations at Smailholm Tower, Roxburghshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 118, p. 231–266, 1989. DOI: 10.9750/PSAS.118.231.266. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/9336. Acesso em: 1 oct. 2025.