Peddie, J. (1869). Note by James Peddie, Esq., C.E., F.S.A. Scot., respecting a Sculptured Stone found in taking down a house at the foot of Mary King’s Close, Edinburgh. Proceedings of the Society of Antiquaries of Scotland, 8, 48-49. https://doi.org/10.9750/PSAS.008.48.49