Johnston, T.B. 1878. The Story of the Fabrication of the ’Coffin-Plate’ said to have been found in the Tomb of King Robert Bruce in Dunfermline Abbey. Proceedings of the Society of Antiquaries of Scotland. 12, (Nov. 1878), 466–471. DOI:https://doi.org/10.9750/PSAS.012.466.471.