COLES, Frederick R. Notice of the Exploration of the Remains of a Cairn of the Bronze Age at Gourlaw, Mid-Lothian. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 39, p. 411–418, 1905. DOI: 10.9750/PSAS.039.411.418. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6955. Acesso em: 5 may. 2024.