MCKEAN, Charles. The House of Pitsligo. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 121, p. 369–390, 1992. DOI: 10.9750/PSAS.121.369.390. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9418. Acesso em: 1 may. 2024.