Excavation of chambered cairn of Blackhammer, Nearhouse Farm, Rousay, Orkney Report: 'Bones found in chamber no. 7 of the Chambered Cairn of Blackhammer on the farm of Nearhouse, Rousay, Orkney, 1936' (single typescript page). Annotated 'copy (sent to Dr. Callander 10/11/36). Newspaper cutting from the 'Scotsman', 9 March 1937, reporting on Graham Callander and Walter Grant's presentation [to the Society of Antiquaries of Scotland] on the excavation of the long chambered cairns at Blackhammer and Hullion, Rousay, Orkney in 1936. 1936