HAY-NEWTON, William Waring. Altar-Plate of the Collegiate Church, Haddington. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 1, p. 57–58, 1852. DOI: 10.9750/PSAS.001.57.58. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/3911. Acesso em: 20 apr. 2024.