Early Notices of the Bass Rock and its Owners. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 20, p. 54–71, 1886. DOI: 10.9750/PSAS.020.54.71. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/6181. Acesso em: 27 oct. 2025.