Anderson, Joseph. “Notices of a Mortar and Lion-Figure of Brass Dug up in Bell Street, Glasgow, and of Six Lion-Shaped Ewers of Brass (the Manilia of the Middle Ages), Exhibited to the Meeting”. Proceedings of the Society of Antiquaries of Scotland, vol. 13, Nov. 1879, pp. 48-66, doi:10.9750/PSAS.013.48.66.