Barber, John W, S Bohncke, A Fairweather, W Groenman-van-Waateringe, D Lehane, F McCormick, I Máté, H Richardson, and P Strong. “Excavations on Iona, 1979”. Proceedings of the Society of Antiquaries of Scotland 111 (November 30, 1982): 282–380. Accessed April 30, 2024. https://journals.socantscot.org/index.php/psas/article/view/9062.