Title: Encyclical letter Sollicitudo rei socialis : of the supreme pontiff, John Paul II, to the bishops, priests, religious families, sons and daughters of the church and all people of good will for the twentieth anniversity of Populorum progressio.
Authors: John Paul 1920-2005; Catholic Church.
Publisher: Libreria Editrice Vaticana,
Year: 1987
Subjects: Catholic Church.; Catholic Church Doctrines.; Church and social problems Catholic Church Papal documents.