DI FOLCO, John; HARRIS, Gordon S. Tile fragments from St Fillan’s church, Forgan, Fife. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 104, p. 252–256, 1974. DOI: 10.9750/PSAS.104.252.256. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8822. Acesso em: 24 apr. 2024.