SIMPSON, W Douglas. Note on Recent Excavations at Kildrummy Castle. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 54, p. 134–145, 1920. DOI: 10.9750/PSAS.054.134.145. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7482. Acesso em: 21 may. 2024.