Watt, W G T. “Notice of the Discovery of a Cist, With Three Skeletons, at Innertown, Near Stromness, Orkney”. Proceedings of the Society of Antiquaries of Scotland 12 (November 30, 1877): 301–302. Accessed April 25, 2024. https://journals.socantscot.org/index.php/psas/article/view/5817.