Smith, J. A. (1881) “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, 15, pp. 316–355. doi: 10.9750/PSAS.015.316.355.