SIMPSON, W Douglas. Scottish Memorials in Marienwerder Cathedral in Pomesania. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 64, p. 326–336, 1930. DOI: 10.9750/PSAS.064.326.336. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7799. Acesso em: 3 may. 2024.