Callander, J.G. 1919. Discovery of (1) a Short Cist containing Human Remains and a Bronze Armlet, and (2) a Cup-marked Stone, at Williamston, St Martins, Perthshire. Proceedings of the Society of Antiquaries of Scotland. 53, (Nov. 1919), 15–24. DOI:https://doi.org/10.9750/PSAS.053.15.24.