Loney, John W M. “An Instance of ’Looking-Glass Writing’ in the Signatures of a Scottish Charter in 1602, and a Consequent Discharge and Renunciation in 1605”. Proceedings of the Society of Antiquaries of Scotland 62 (November 30, 1928): 152–154. Accessed November 22, 2024. https://journals.socantscot.org/index.php/psas/article/view/7742.