Piggott, S., Steer, K. A., Harden, D. B., Orr, M. Y., & Wells, L. H. (1953). Excavations in the broch and hill-fort of Torwood-Lee, Selkirkshire, 1950. Proceedings of the Society of Antiquaries of Scotland, 85, 92–117. https://doi.org/10.9750/PSAS.085.92.117