SLADE, H Gordon. Druminnor, formerly Castle Forbes: an investigation into the original building of a mid-fifteenth-century palace house. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 99, p. 148–166, 1968. DOI: 10.9750/PSAS.099.148.166. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8702. Acesso em: 2 may. 2024.