Forsyth, Katherine. “The Ogham-Inscribed Spindle Whorl from Buckquoy: Evidence for the Irish Language in Pre-Viking Orkney?”. Proceedings of the Society of Antiquaries of Scotland 125 (November 30, 1996): 677-696. Accessed March 29, 2024. http://journals.socantscot.org/index.php/psas/article/view/9900.