Columbia subject headings:
Catholic Church--Doctrines.
Catholic Church--Pastoral letters and charges.
Catholic Church--United States--Pastoral letters and charges.
Just war doctrine.
Nuclear warfare--Religious aspects--Catholic Church.
Nuclear warfare.
Peace.
Harvard subject headings:
Catholic Church--United States--Pastoral letters and charges.
Just war doctrine.
Nuclear warfare--Religious aspects--Catholic Church
Peace--Religious aspects--Catholic Church
Princeton subject headings: