BALFOUR, John A. Note on an Arrow-head of ’Corrigil’ Pitchstone. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 43, p. 376, 1909. DOI: 10.9750/PSAS.043.376. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7160. Acesso em: 24 apr. 2024.