Raphael Sanzio Websites
Addio Gallery - Raphael: http://www.mcs.csuhayward.edu/~malek/Raphael.html
This website offers a short biography of Raphael as well as a few high-resolution photographs of his more famous works.
CGFA - Raphael: http://sunsite.dk/cgfa/raphael/
This website has some very nice colour pictures of Raphael's works as well as a detailed biography.
