Rosslyn Castle, its Buildings Past and Present. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 12, p. 412–424, 1877. DOI: 10.9750/PSAS.012.412.424. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/5828. Acesso em: 28 oct. 2025.