“The Worked Quartz Vein at Cnoc Dubh, Uig Parish, Isle of Lewis, Western Isles: Presentation and Discussion of a Small Prehistoric Quarry”. Scottish Archaeological Internet Reports 11 (January 1, 2004): 1–23. Accessed December 5, 2025. https://journals.socantscot.org/index.php/sair/article/view/526.