Curle, A.O. 1936. Account of the excavation of a hut-circle with an associated earth-house at Jarlshof, Sumburgh, Shetland, conducted on behalf of H M office of works in 1935. Proceedings of the Society of Antiquaries of Scotland. 70, (Nov. 1936), 237–251. DOI:https://doi.org/10.9750/PSAS.070.237.251.