GREGORY, J W; RITCHIE, James; KENNEDY, W Q; LEITCH, Duncan. Some Caves and a Rock Shelter at Loch Ryan and Port-Patrick, Galloway. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 64, p. 247–264, 1930. DOI: 10.9750/PSAS.064.247.264. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7793. Acesso em: 20 apr. 2024.