Columbia subject headings:
Catholic Church--Doctrines--Congresses.
Disarmament--Religious aspects--Catholic Church--Congresses.
Nuclear disarmament--Congresses.
Nuclear disarmament.
Peace--Congresses.
Harvard subject headings:
Catholic Church--Doctrines--Congresses.
Disarmament--Religious aspects--Catholic Church--Congresses.
Nuclear disarmament--Congresses
Peace--Congresses
Princeton subject headings:
Nuclear disarmament--Congresses.
Peace--Congresses.