Anderson, Joseph. 1892. “Notice of the Discovery of a Hoard of the Bronze Age, Consisting Chiefly of Personal Ornaments of Bronze, Amber, and Gold, at Balmashanner, Near Forfar”. Proceedings of the Society of Antiquaries of Scotland 26 (November), 182-88. http://journals.socantscot.org/index.php/psas/article/view/6478.