Bombini, Raíssa Rocha. “Among Potions and Amulets: The Use of Precious Stones at the 14th Century Bubonic Plague ”. Circumscribere International Journal for the History of Science 28 (February 23, 2022): 27. Accessed February 1, 2026. https://revistas.pucsp.br/index.php/circumhc/article/view/56966.