NEISH, James. Notes of Stone Celts found in Glenshee, Forfarshire, 1870; and of Clay Cones (Loom Weights) found at Ravensby, Parish of Barrie, Forfarshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 9, p. 174–176, 1871. DOI: 10.9750/PSAS.009.174.176. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5509. Acesso em: 2 may. 2024.