Curle, James, and Harry F Tagg. “Note on a Primitive Weapon or Tool, Fashioned by Fixing a Stone in a Wooden Shaft, Found in a Moss at Bogancloch, Parish of Rhynie, Aberdeenshire: With a Report on Wood of the Haft”. Proceedings of the Society of Antiquaries of Scotland 59 (November 30, 1925): 18–20. Accessed May 3, 2024. https://journals.socantscot.org/index.php/psas/article/view/7626.