Masters, Lionel, Audrey Henshall, Caroline Wickham-Jones, and Christina Unwin. “The Excavation and Restoration of the Camster Long Chambered Cairn, Caithness, Highland, 1967-80”. Proceedings of the Society of Antiquaries of Scotland 127 (November 30, 1998): 123–183. Accessed April 27, 2024. https://journals.socantscot.org/index.php/psas/article/view/9960.