Norman, C., N. Emery, C. E. Batey, F. Bettess, D. Bramwell, A. Donaldson, L. J. Edwards, S. Hillson, D. A. Lunt, G. McDonnell, D. J. Rackham, D. Reed, P. H. Robinson, K. Steedman, M. Stenhouse, R. B. K. Stevenson, A. Wheeler, D. F. Williams, R. Young, N. Emery, K. McBarron, J. Dickson, D. Jeffrey, G. Moberg, C. Morris, and J. D. H. Radford. “The Chapel and Enclosure on the Brough of Deerness, Orkney: Survey and Excavations, 1975-1977”. Proceedings of the Society of Antiquaries of Scotland, Vol. 116, Nov. 1987, pp. 301-74, http://journals.socantscot.org/index.php/psas/article/view/9273.