Barber, J., Duffy, A., O’Sullivan, J., McSweeny, K., Mills, C. and O’Sullivan, T. 1997. The excavation of two Bronze Age burial cairns at Bu Farm, Rapness, Westray, Orkney. Proceedings of the Society of Antiquaries of Scotland. 126, (Nov. 1997), 103-120. DOI:https://doi.org/10.9750/PSAS.126.103.120.