Ziegler, Joseph Department Ideals and Practices of Rationality, Max Planck Institute for the History of Science, Max Planck Society;
Ziegler, J. (2005). On the Use of the “New Sciences” (Medicine, Alchemy, Astrology, and Physiognomy) for Religious Purposes c. 1300. Berlin: Max-Planck-Institut für Wissenschaftsgeschichte.