MACNAUGHTON, Allan. Notice of Excavations in the South Fort, Island of Luing, Argyleshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 25, p. 476–483, 1891. DOI: 10.9750/PSAS.025.476.483. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6416. Acesso em: 2 may. 2024.