COGHILL, J G Sinclair. Notice of a Recent Visit to the Great Wall of China. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 8, p. 403–407, 1871. DOI: 10.9750/PSAS.008.403.407. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5441. Acesso em: 25 apr. 2024.