CALLANDER, J Graham. 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, [S. l.], v. 53, p. 15–24, 1919. DOI: 10.9750/PSAS.053.15.24. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7453. Acesso em: 3 may. 2024.