Title: Encyclical letter (Casti conubii) of His Holiness Pius XI by divine providence Pope to his venerable brethren the patriarchs, primàtes, archibishops, bishops and others that have ordinary jurisdiction, being at peace and in communion with the apostolic see, on Christian marriagein view of the present conditions and needs of the family and of Society and the errors and vices which affect them
First published: 1964