Anderson, J. 1871. Notes on the Excavation of ’Kenny’s Cairn,’ on the Hill of Bruan; Carn Righ, year Yarhouse; the Warth Hill Cairn, Duncansbay; and several smaller Sepulchral Cairns in Caithness. Proceedings of the Society of Antiquaries of Scotland. 9, (Nov. 1871), 292–296. DOI:https://doi.org/10.9750/PSAS.009.292.296.