SIMPSON, W Douglas. The Campaign and Battle of Culblean, A.D. 1335. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 64, p. 201–211, 1930. DOI: 10.9750/PSAS.064.201.211. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7788. Acesso em: 4 may. 2024.