Smith, John Alexander. “Notice of a Massive Bronze ’Late Celtic’ Armlet and Two Small Objects of Bronze (Horse-Trappings), Found With a Roman Bronze Patella, at Stanhope, Peeblesshire, in 1876; With an Account of Other Bronze Armlets Found in Scotland”. Proceedings of the Society of Antiquaries of Scotland, vol. 15, Nov. 1881, pp. 316-55, doi:10.9750/PSAS.015.316.355.