SIMPSON, W Douglas. Further Notes on Huntly Castle. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 67, p. 137–160, 1933. DOI: 10.9750/PSAS.067.137.160. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7874. Acesso em: 2 may. 2024.