Piggott, Cecily Margaret, M I Platt, M Y Orr, F S Wallis, and A F Hallimond. “The Excavations at Hownam Rings, Roxburghshire, 1948”. Proceedings of the Society of Antiquaries of Scotland 82 (November 30, 1950): 193–225. Accessed April 20, 2024. https://journals.socantscot.org/index.php/psas/article/view/8305.