FARRELL, David. The John Sebastian Helmcken Medical Collection: The Material History of Nineteenth-Century Medical Practitioner’s Armamentarium. Material Culture Review, [S. l.], v. 38, n. 1, 1993. Disponível em: https://journals.lib.unb.ca/index.php/MCR/article/view/17566. Acesso em: 6 may. 2024.