-, -, D Christison, J Barbour, J MacDonald, G Baldwin Brown, and Joseph Anderson. “Account of the Excavation of Birrens, a Roman Station in Annandale, Undertaken by the Society of Antiquaries of Scotland in 1895”. Proceedings of the Society of Antiquaries of Scotland 30 (November 30, 1896): 81–199. Accessed April 27, 2024. https://journals.socantscot.org/index.php/psas/article/view/6619.