Columbia subject headings:
Catholic Church--Europe, German-speaking--Liturgy.
Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano)
Youth in public worship--Catholic Church.
Youth in public worship--Europe, German-speaking.
Harvard subject headings:
Catholic Church--Europe, German-speaking--History--20th century.
Catholic Church--Europe, German-speaking--History--21st century.
Catholic Church--Europe, German-speaking--Liturgy--Theology.
Catholic Church--Europe, German-speaking--Liturgy.
Church work with youth--Europe, German-speaking--Catholic Church.
Liturgical movement--Europe, German-speaking--Catholic Church.
Liturgical reform--Europe, German-speaking.
Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano)
Youth in public worship--Catholic Church
Youth in public worship--Europe, German-speaking.
Princeton subject headings: