Gray, J M. “Notes on Examples of Old Heraldic and Other Glass, Existing In, or Having Connection With, Scotland; With Especial Reference to the Heraldic Rondel Preserved at Woodhouselee”. Proceedings of the Society of Antiquaries of Scotland 26 (November 30, 1892): 34–48. Accessed April 26, 2024. https://journals.socantscot.org/index.php/psas/article/view/6427.