Curle, Alexander O. “An Account of the Excavation of a Dwelling of the Viking Period at ’Jarlshof,’ Sumburgh, Shetland, Carried Out on Behalf of H.M. Office of Works”. Proceedings of the Society of Antiquaries of Scotland, vol. 69, Nov. 1935, pp. 265-21, doi:10.9750/PSAS.069.265.321.