Click Here - Ad Petri Cathedram (June 29, 1959) Click Here - Aeterna Dei Sapientia (November 11, 1961) Click Here - Grata Recordatio (September 26, 1959) Click Here - Mater et Magistra (May 15, 1961) Click Here - Pacem in Terris (April 11, 1963) Click Here - Paenitentiam Agere (July 1, 1962) Click Here - Princeps Pastorum (November 28, 1959) Click Here - Sacerdotii Nostri Primordia (August 1, 1959)