GILLAN, James; STUART, John. Notes on some Antiquities in the Parish of Alford, Aberdeenshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 4, p. 382–386, 1863. DOI: 10.9750/PSAS.004.382.386. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/4835. Acesso em: 20 apr. 2024.