Barber, John, Marilyn M Brown, Martha Ashbrook, Stephanie Greshon, and Jenny Lee. “An Sithean, Islay”. Proceedings of the Society of Antiquaries of Scotland 114 (November 30, 1985): 161–188. Accessed November 3, 2024. https://journals.socantscot.org/index.php/psas/article/view/9157.