Christison, David. “A General View of the Forts, Camps, and Motes of Dumfriesshire, With a Detailed Description of Those in Upper Annandale, and an Introduction to the Study of Scottish Motes”. Proceedings of the Society of Antiquaries of Scotland, vol. 25, Nov. 1891, pp. 198-56, doi:10.9750/PSAS.025.198.256.