EELES, Francis C. The Perth Psalter. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 66, p. 426–441, 1932. DOI: 10.9750/PSAS.066.426.441. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7856. Acesso em: 26 apr. 2024.