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Mater et Magistra - http://www.papalencyclicals.net/John23/j23mater.htm
Christianity and Social Progress. Deplores the arms race and addresses the economic disparity between nations. Encyclical promulgated 15 May, 1961. |
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Pacem in Terris - http://www.papalencyclicals.net/John23/j23pacem.htm
Peace on Earth. Catholic social teaching. Peace must be based on rights and responsibilities. First encyclical addressed to all people, not only Christians. Promulgated 11 April, 1963. |
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Paenitentiam Agere - http://www.ewtn.com/library/ENCYC/I23PAENI.HTM
On Penance. Encyclical promulgated 1 July, 1962. |
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Ad Petri Cathedram - http://www.ewtn.com/library/ENCYC/I23PETRI.HTM
On Truth, Unity and Peace, in a Spirit of Charity. John XXIII's first encyclical. Promulgated 29 June, 1959. |
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Princeps Pastorum - http://www.ewtn.com/library/ENCYC/I23PRINC.HTM
On the Missions. Encyclical promulgated 28 November, 1959. |