HUTCHESON, Alexander. Notice of the Discovery of two Stone Coffins at Pitkerro, with Notes on the Chronological Sequence of Stone Cists. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 43, p. 317–324, 1909. DOI: 10.9750/PSAS.043.317.324. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7154. Acesso em: 3 may. 2024.