Duns, Professor. “Notes on Some Articles Exhibited to the Meeting, Viz. – A Bronze Spear-Head, a Small Unlooped Socketed Celt, a Sword-Shaped Stone from Shetland, and a Tripod Bronze Pot”. Proceedings of the Society of Antiquaries of Scotland 11 (November 30, 1875): 168–171. Accessed May 4, 2024. https://journals.socantscot.org/index.php/psas/article/view/5739.