Callander, J Graham. “Notice of (1) A Seventeenth-Century Sun-Dial from Wigtownshire; And (2) a Stele, Discovered in Galatia, Asia Minor, Decorated With a Design Resembling the Mirror and Comb Symbols Found in Scotland”. Proceedings of the Society of Antiquaries of Scotland 44 (November 30, 1910): 169–185. Accessed April 16, 2024. https://journals.socantscot.org/index.php/psas/article/view/7178.