HECK, A. Der alchemistische Nachlass Herzog Friedrichs I. von Württemberg. Rundbrief, [S. l.], n. 15, p. 12–13, 2013. DOI: 10.53458/rb.vi15.5253. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/rb/article/view/5253. Acesso em: 19 mai. 2024.