MAXWELL-IRVING, Alastair M T. Scottish yetts and window-grilles. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 124, p. 433–454, 1995. DOI: 10.9750/PSAS.124.433.454. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9502. Acesso em: 19 apr. 2024.