National Catholic Alumni Federation: Sixth National Convention. June 1933: A Program of Social Justice based on the encyclicals Rerum Novarum of Leo XIII and Quadragesimo Anno of Pius XI.

অনুরূপ উপাদানগুলি

• The Church and the Worker, Before and after the Encyclical Rerum Novarum
  অনুযায়ী: Crawford, Virginia M. (Virginia Mary), 1862-1948
  তৈরী হয়েছে: (1917)
• The Catholic teaching on our industrial system /
  অনুযায়ী: Ryan, John A. (John Augustine), 1869-1945
  তৈরী হয়েছে: (1934)
• Capital and labor /
  অনুযায়ী: Ryan, John A. (John Augustine), 1869-1945
  তৈরী হয়েছে: (1931)
• Capital and labor /
  অনুযায়ী: Ryan, John A. (John Augustine), 1869-1945
  তৈরী হয়েছে: (1931)
• A centenary look at Rerum novarum.
  অনুযায়ী: Fitzpatrick, Joseph P.
  তৈরী হয়েছে: (1991)