Encyclical Laborem exercens addressed by the supreme pontif John Paul II to his venerable brothers in the episcopate, to the priests, to the religious families, to the sons and daughters of the church and to all men and women of good will on human work on the ninetieth anniversary of rerum navarum
Catholic Church.Pope (1978-2005 : John Paul II)
London Incorporated Catholic Truth Society
1981
Catholic Church. Pope (1878-1903 : Leo XIII).
Church and labor.