LAING, David. Additional Notices of Sir Peter Young. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 4, p. 427–429, 1863. DOI: 10.9750/PSAS.004.427.429. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/4865. Acesso em: 16 jun. 2024.