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, pp. 103-120. Available at: http://journals.socantscot.org/index.php/psas/article/view/9931 (Accessed: 19April2021).