TY  - BOOK
AU  - Pius XI
TI  - L'encyclique sur la question sociale: : "Quadragesimo Anno"
PY  - 1932///
CY  - Paris
PB  - Spes
KW  - Catholic Church
KW  - Leo XIII
KW  - Rerum Novarum
KW  - Labor & laboring classes
KW  - Sociology, Christian
KW  - Catholic authors
ER  -