Columbia subject headings:
Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano)--Indexes.
Harvard subject headings:
Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano)--Indexes.
Princeton subject headings:
Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano)--Indexes.