Moody, R C. “Memorandum Relative to a Piece of Ordnance, Found 28th March 1856, in the Course of Excavations by The Royal Engineer Department, at Broughty Castle, Communicated by Lieut Col R C Moody, Royal Engineers”. Proceedings of the Society of Antiquaries of Scotland, vol. 2, Nov. 1858, pp. 220-2, doi:10.9750/PSAS.002.220.222.