Gibb, Andrew. “Notice of the Memorial Brass of Dr Duncan Liddel, and of the Tombstone of Sir Paul Menzies of Kinmundy, in Saint Nicholas Church, Aberdeen”. Proceedings of the Society of Antiquaries of Scotland 11 (November 30, 1876): 450–462. Accessed April 28, 2024. https://journals.socantscot.org/index.php/psas/article/view/5758.