BAXTER, George C. Notice of a Cup-marked Stone recently found at Gallow Hill, Parish of Cargill. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 31, p. 290–292, 1897. DOI: 10.9750/PSAS.031.290.292. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6671. Acesso em: 7 may. 2024.