Coughtrey, Millen. “Notes on Materials Found in a Kitchen Midden at Hillswick, Shetland, With Special Reference to Long-Handled Combs”. Proceedings of the Society of Antiquaries of Scotland 9 (November 30, 1871): 118–151. Accessed November 22, 2024. https://journals.socantscot.org/index.php/psas/article/view/5504.