A Call to Action:
Paul VI
A Call to Action: Apostolic letter on the occasion of the eightieth anniversary of the encyclical Rerum Novarum Paul VI - Washington United States Catholic Conference 1971 - iv, 40 p.: 21 cm.
Sociology (Christian)
Labour & labouring classes
Paul VI--Catholic Church--Apostolic Letter "Octogesima Adveniens"
A Call to Action: Apostolic letter on the occasion of the eightieth anniversary of the encyclical Rerum Novarum Paul VI - Washington United States Catholic Conference 1971 - iv, 40 p.: 21 cm.
Sociology (Christian)
Labour & labouring classes
Paul VI--Catholic Church--Apostolic Letter "Octogesima Adveniens"