Roger, James C. “Notice of a Sculptured Sarcophagus, and Other Sepulchral Monuments, Recently Discovered in the Churchyard of Govan”. Proceedings of the Society of Antiquaries of Scotland 2 (November 30, 1858): 161–165. Accessed April 29, 2024. https://journals.socantscot.org/index.php/psas/article/view/4411.