GRAY, H St George. Excavations near Forglen House on the borders of Aberdeenshire and Banffshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 41, p. 275–285, 1907. DOI: 10.9750/PSAS.041.275.285. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7085. Acesso em: 4 may. 2024.