Borgia, Francis: Biographical article from the 1911 Encyclopædia Britannica.
Catholic Encyclopedia: St. Francis Borgia: Long essay on the dramatic life of the Duke of Gandia turned Jesuit.
Catholic Online: St. Francis Borgia: Short hagiography, suitable for children.
Francis Borgia: Illustrated profile.
Francis Borgia y Aragon, SJ: Fairly lengthy biographical essay.
Francis Borgia, Saint: Short biography in the Columbia Encyclopedia.