MARKUS, Mary. St Bride’s, Douglas - A family mausoleum. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 134, p. 403–421, 2005. DOI: 10.9750/PSAS.134.403.421. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9611. Acesso em: 25 apr. 2024.