CHRISTISON, David. Notice of the Ancient Remains in Manor Parish and other Districts of Peeblesshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 22, p. 192–207, 1888. DOI: 10.9750/PSAS.022.192.207. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6298. Acesso em: 2 may. 2024.