STURROCK, J. Notice of a Jet Necklace and Urn of the Food-Vessel Type, found in a Cist at Balcalk, Tealing, and of the opening of Hatton Cairn, Parish of Inverarity, Forfarshire. Proceedings of the Society of Antiquaries of Scotland, v. 14, p. 260-267, 30 nov. 1880.