Columbia subject headings:
Paul VI, Pope, 1897-1978--Congresses.
Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano). Constitutio pastoralis de ecclesia in mundo huius temporis--Congresses.
Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano). Declaratio de libertate religiosa--Congresses.
Harvard subject headings:
Church and the world--Catholic Church--Congresses.
Freedom of religion--Congresses
Freedom of religious--Congresses.
Paul VI, Pope, 1897-1978--Views on ecclesiology.
Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano). Declaratio de libertate religiosa.
Princeton subject headings: