Inglis, H.R.G. 1924. Ancient Border Highways: The Minchmoor (Catrail) Road, the Wheel Causeway, the Annandale Forest Road, the Well Path, and the Enterkin. Proceedings of the Society of Antiquaries of Scotland. 58, (Nov. 1924), 203–223. DOI:https://doi.org/10.9750/PSAS.058.203.223.