Inglis, Harry 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 (November):203-23. https://doi.org/10.9750/PSAS.058.203.223.