Stuart, John, and James Farrer. “Notes on the Bronze and Iron Remains Dug up in a ’Pict’s House,’ in the Holm of Eday, Orkney (presented at Last Meeting to the Museum of the Society)”. Proceedings of the Society of Antiquaries of Scotland, vol. 2, Nov. 1858, pp. 178-9, doi:10.9750/PSAS.002.178.179.