Marshall, Dorothy N, Isabel D Taylor, and J G Scott. “The Excavation of the Chambered Cairn at Glenvoidean, Isle of Bute”. Proceedings of the Society of Antiquaries of Scotland 108 (November 30, 1979): 1–39. Accessed November 22, 2024. https://journals.socantscot.org/index.php/psas/article/view/8958.