Sharp, J. 1912. Notice of a Collection of Flint Arrowheads and Implements found on the Farm of Overhowden, in the Parish of Channelkirk, Berwickshire, exhibited to the Society. Proceedings of the Society of Antiquaries of Scotland. 46, (Nov. 1912), 370–372. DOI:https://doi.org/10.9750/PSAS.046.370.372.