DUNCAN, Archibald A M. Documents relating to the Priory of the Isle of May, c1140-1313. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 90, p. 52–80, 1959. DOI: 10.9750/PSAS.090.52.80. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8519. Acesso em: 26 apr. 2024.