Title: La "Pontificia Commissio de Sacra Liturgia Praeparatoria Concilii Vaticani II"
Subjects: Sources, Liturgy, History, Liturgical reform, Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano). Constitutio de sacra liturgia, Catholic Church, Liturgiereform, Vorbereitung, Concilium Vaticanum (2 : 1962-1965) gnd, Sacrosanctum concilium
Time periods: 20th century