ROBERTSON, David H. Notice of Supposed Cranium of Robert Logan of Restalrig. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 5, p. 102–105, 1864. DOI: 10.9750/PSAS.005.102.105. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5113. Acesso em: 24 apr. 2024.