TY  - BOOK
AU  - Paul VI
TI  - A Call to Action: : Apostolic letter on the occasion of the eightieth anniversary of the encyclical Rerum Novarum
PY  - 1971///
CY  - Washington
PB  - United States Catholic Conference
KW  - Sociology (Christian)
KW  - Catholic Church
KW  - Labour & labouring classes
KW  - Paul VI
KW  - Apostolic Letter "Octogesima Adveniens"
ER  -