SIMPSON, W Douglas. Craig Castle and the Kirk of Auchindoir, Aberdeenshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 64, p. 48–96, 1930. DOI: 10.9750/PSAS.064.48.96. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7781. Acesso em: 16 apr. 2024.