-, -. Anniversary meeting: 30 November 1931. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 66, p. 1–32, 1932. DOI: 10.9750/PSAS.066.1.32. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7837. Acesso em: 4 may. 2024.