Smith, John Alexander. “Notice of a Large Copper-Like or Brass Anvil, Stated to Have Been Found in the South of Scotland: Also of a Small Ancient Bronze Anvil, Found in Sutherland”. Proceedings of the Society of Antiquaries of Scotland 16 (November 30, 1882): 15–25. Accessed June 24, 2024. https://journals.socantscot.org/index.php/psas/article/view/5992.