1. C. Webster Paracelsus: Medicine Magic and Mission at the End of Time Yale University Press New Haven 2008. W. Pagel Paracelsus. An Introduction to Philosophical Medicine in the Era of the Renaissance S. Karger Basel New York 1958.
2. N. Everett The Alphabet of Galen pharmacy from antiquity to the Middle Ages University of Toronto Press Toronto 2012.
3. Petro Severino Dano Idea medicinæ Philosophicæ fundamenta continens totius doctrinæ Paracelsinæ Hippocraticæ et Gallenicæ H. Petri Basel 1571(Royal Library Copenhagen).
4.
5. J. Shackelford A philosophical Path for Paracelsian Medicine. The Ideas Intellectual Context and Influence of Petrus Severinus: 1540–1602 Museum Tusculanum Press Copenhagen 2004;