Curle, A. O. (1912). Account of the Examination of a Relic Bed on the Mote of Ingleston, Kelton Parish, Kirkcudbright, from which was recovered a Padlock of tubular form; and a Note of similar Padlocks preserved in the National Museum of Antiquities. Proceedings of the Society of Antiquaries of Scotland, 46, 189–200. https://doi.org/10.9750/PSAS.046.189.200