An attempt to define how far the cymric encroached upon the Gaelic Branch of the early Celtic population of North Britain. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 1, p. 182–190, 1854. DOI: 10.9750/PSAS.001.182.190. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/3950. Acesso em: 5 feb. 2026.