Notice of the Fabric of St Vigeans Church, Forfarshire; with Notice and Photographs of Early Sculptured Stones recently Discovered there, &c. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 9, p. 481–498, 1871. DOI: 10.9750/PSAS.009.481.498. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/5529. Acesso em: 1 oct. 2025.