Encyclical Letter Sollicitudo Rei Socialis (30 December 1987) for the twentieth anniversary of Populorum Progressio| www.vatican.va
Encyclical Letter Evangelium Vitae (25 March 1995) on the Value and Inviolability ¶ of Human Life| www.vatican.va
Encyclical Letter Fides et Ratio (14 September 1998)| www.vatican.va