Columbia subject headings:
Harvard subject headings:
Catholic Church--Liturgy.
Catholic church buildings.
Church architecture.
Liturgy and architecture.
Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano)
Princeton subject headings:
Catholic church buildings.
Church architecture.
Liturgy and architecture.
Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano)