MAUGHAN, John. Notice of the Fort on Cairby Hill, and other Antiquities in Liddesdale, in a letter to Mr Stuart, Sec. S.A. Scot. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 6, p. 103–107, 1865. DOI: 10.9750/PSAS.006.103.107. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5175. Acesso em: 4 may. 2024.