THORNEYCROFT, Wallace. Observations on Hut-circles near the Eastern Border of Perthshire, North of Blairgowrie. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 67, p. 187–208, 1933. DOI: 10.9750/PSAS.067.187.208. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7877. Acesso em: 25 apr. 2024.