Columbia subject headings:
Catholic Church--Doctrines.
Catholic Church--United States--Bishops.
Christian sociology--Catholic Church--Papal documents.
Economics--Religious aspects--Catholic Church.
Peace--Religious aspects--Catholic Church.
Harvard subject headings:
Catholic Church--Doctrines.
Catholic Church--United States--Bishops.
Christian sociology--Catholic Church--Papal documents.
Economics--Religious aspects--Catholic Church
Peace--Religious aspects--Catholic Church
Princeton subject headings: