PIGGOTT, Stuart; PIGGOTT, Cecily Margaret. Field Work in Colonsay and Islay, 1944-45. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 80, p. 83–103, 1948. DOI: 10.9750/PSAS.080.83.103. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8251. Acesso em: 20 apr. 2024.