Allen, J R L. “A Whetstone from South-East England at Newstead, Melrose (Trimontium): The Reach of a Major Roman Stone Industry”. Proceedings of the Society of Antiquaries of Scotland 146 (November 30, 2017): 113–119. Accessed December 22, 2024. https://journals.socantscot.org/index.php/psas/article/view/9846.