Columbia subject headings:
Catholic Church--Doctrines.
Nuclear warfare--Moral and ethical aspects.
Nuclear warfare--Religious aspects--Catholic Church.
Harvard subject headings:
Catholic Church--Doctrines.
Nuclear warfare--Moral and ethical aspects
Nuclear warfare--Religious aspects--Catholic Church
Princeton subject headings:
Catholic Church--Doctrines.
Nuclear warfare--Moral and ethical aspects.
Nuclear warfare--Religious aspects--Catholic Church.