Excavations at the Catstane, Midlothian 1977. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 109, p. 166–201, 1980. DOI: 10.9750/PSAS.109.166.201. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9000. Acesso em: 5 dec. 2025.