103 pages
English language
Published Oct. 3, 1981 by Incorporated Catholic Truth Society.
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.
103 pages
English language
Published Oct. 3, 1981 by Incorporated Catholic Truth Society.