Fords, Ferries, Floats, and Bridges near Lanark. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 47, p. 209–256, 1913. DOI: 10.9750/PSAS.047.209.256. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/7288. Acesso em: 27 oct. 2025.