Kilbride-Jones, H E. 1937. “Notes on (A) a New Discovery on the Line of the so-Called Catrail at Torwoodlee, Galashiels; (B) An Early Iron Age Bloomery at Loanhead of Daviot, Aberdeenshire”. Proceedings of the Society of Antiquaries of Scotland 71 (November):397-405. https://doi.org/10.9750/PSAS.071.397.405.