Anderson, R Rowand. “Notice of Plans, and a Bird’s-Eye Perspective, Believed to Be the Oldest Authentic View of Edinburgh Castle, Now in the King’s Library, British Museum”. Proceedings of the Society of Antiquaries of Scotland 47 (November 30, 1913): 17–29. Accessed November 24, 2024. https://journals.socantscot.org/index.php/psas/article/view/7280.