Dunglas, L. and Smith, J.A. 1881. Notice of the Discovery of a Massive Silver chain of Plain Double Rings or Links at Hordwell, Berwickshire. With Notes of similar Silver chains found in Scotland. Proceedings of the Society of Antiquaries of Scotland. 15, (Nov. 1881), 64–70. DOI:https://doi.org/10.9750/PSAS.015.64.70.