MCCULLOCH, William T. Notes relating to ’Haddo’s Hole’ in St Giles’ Church, Edinburgh. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 4, p. 289–293, 1862. DOI: 10.9750/PSAS.004.289.293. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/4783. Acesso em: 23 apr. 2024.