Encyclical Letter of His Holiness Pope Paul VI : on the Development of Peoples : Populorum Progressio /

Míreanna comhchosúla

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• Pope John Paul II : Pilgrim of Peace /
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• Mater et Magistra christianity and social progress an encyclical letter of Pope John XIII / edited by Donald R. Campion, S.J. and Eugene K. Culhane, S.J.