Apostolic letter of His Holiness Pope Paul VI to Cardinal Maurice Roy ... on the occasion of the eightieth anniversary of the encyclical Rerum novarum.

Eitemau Tebyg

• Apostolic letter Octogesima adveniens / of His Holiness Pope Paul VI, to Maurice Cardinal Roy ... on the occasion of the eightieth anniversary of the Encyclical Rerum novarum /
  Cyhoeddwyd: (1971)
• The social encyclicals /
  gan: Lucey, Cornelius
  Cyhoeddwyd: (1938)
• Encyclical letter on the development of peoples (Populorum Progressio) of ... Paul VI ... Pope : to the bishops, priests, religious, the faithful, and to all men of good will.
  Cyhoeddwyd: (1967)
• Encyclical letter, Princeps pastorum / of His Holiness John XXIII... concerning the Catholic missions ... /
  Cyhoeddwyd: (1960)
• Five great encyclicals : labor, education, marriage, reconstructing the social order, atheistic communism ... with discussion club outlines by Rev. Gerald C. Treacy, S.J.
  Cyhoeddwyd: (1939)