Giambattista della Porta - Biography, portrait and references. - http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Porta.html
The Face Proclaims the Mind - Article and images from ‘de humana physiognomonia’ by Giambattista della Porta. - http://www.designboom.com/history/dellaporta.html
Wikipedia: Giambattista della Porta - Biography, works, references and further reading. - http://en.wikipedia.org/wiki/Giambattista_della_Porta
Natural Magick - Giambattista della (John Baptist) Porta (1537?-1615), was a Neapolitan scholar of notable ability who had devoted great attention to the study of natural and physical science. Compendeum of life's work, completed in 1584. 1658 English Translation. - http://homepages.tscnet.com/omard1/jportat5.html