Encyclical letter (Mater et Magistra) of His Holiness John XXIII, by divine providence Pope, to his venerable brethren the patriarchs, primates, archbishops, bishops, and all other local ordinaries that are at peace and in communion with the Apostolic See, and to the clergy and faithful of the entire Catholic world concerning a re-evaluation of the social question in the light of Christian teaching
By: [translated by H. E. Winstone from the Latin text].
Publisher: Catholic Truth Society
Published: 1961
Place of publication: London
Language: eng
Work titles: Mater et Magistra.
Notes: Cover title: 'New light on social problems'.

Originally published in Latin in the "Acta apostolicae sedis", Vol. 53, 1961, no. 8.