The Spiritual Note in the Renaissance - An essay on the spiritual dimension of the Renaissance. - http://www.catholicculture.org/docs/doc_view.cfm?recnum=2943
Renaissance, The - Article from the Catholic Encyclopedia. - http://www.newadvent.org/cathen/12765b.htm
Can Giordano Bruno Be Rehabilitated? - Can Giordano Bruno, burnt at the stake for heresy, be Rehabilitated? Cardinal Poupard and Pontifical Theologian speaks on the case. - http://www.cin.org/zenit/bruno.html