SIM, G Aird. The Ochiltree Flag. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 66, p. 413–415, 1932. DOI: 10.9750/PSAS.066.413.415. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7853. Acesso em: 28 apr. 2024.