Notices of the Arbuthnott Missal, Psalter, and Office of the Blessed Virgin. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 26, p. 89–104, 1892. DOI: 10.9750/PSAS.026.89.104. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/6473. Acesso em: 26 oct. 2025.