Holiday Notes in Athole, Perthshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 24, p. 382–387, 1890. DOI: 10.9750/PSAS.024.382.387. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/6364. Acesso em: 27 oct. 2025.