Title: Sanctissimi domini nostri Pii divina providentia papae XI Litterae encyclicae ..
Subtitle: de ordine sociali instaurando et ad evangelicae legis normam perficiendo in annum XL post editas Leonis XIII litteras encyclicas "Rerum novarum".
First published: 1931
Subjects: Christian sociology, Catholic Church. Pope (1878-1903 : Leo XIII), Labor and laboring classes, Catholic Church
LC classification: HD6338 .C265 1931