WALKER, Alexander. Notes on a Sculptured Stone Found in the Wall of the South Transept of St Nicholas Church, Aberdeen. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 12, p. 199–201, 1877. DOI: 10.9750/PSAS.012.199.201. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5809. Acesso em: 25 apr. 2024.