Tài liệu tham khảo WikiPedia: paracelsus http://www.paracelsus-center.ch/ http://www.paracelsus.uzh.ch/ http://www.alchemylab.com/paracelsus.htm http://www.britannica.com/EBchecked/topic/442424/P... http://www.economist.com/books/displayStory.cfm?st... http://books.google.com/books?id=3dgsJJkVQKkC http://books.google.com/books?id=_Q0MAAAAIAAJ http://books.google.com/books?id=wO244WXEBKcC http://www.levity.com/alchemy/sir_thomas_browne.ht... http://www.revistaazogue.com/biblio.htm#N_3_
