Columbia subject headings:
Harvard subject headings:
Catholic Church--Doctrines.
Catholic Church--United States--History--20th century.
Catholic Church. National Conference of Catholic Bishops. Challenge of peace.
Just war doctrine.
Nuclear warfare--Religious aspects--Catholic Church
Peace--Religious aspects--Catholic Church
Princeton subject headings:
Catholic Church--Doctrines.
Catholic Church--United States--History--20th century.
Catholic Church. National Conference of Catholic Bishops. Challenge of peace
Just war doctrine.
Nuclear warfare--Religious aspects--Catholic Church.
Peace--Religious aspects--Catholic Church.