Johnson, Lawrence J., (2009). Worship in the Early Church: An Anthology of Historical Sources. The Liturgical Press. Jungmann, Josef Andreas, (1948). Missarum Sollemnia. A genetic explanation of the Roman Mass (2 volumes). Herder, Vienna. First edition, 1948; 2nd Edition, 1949, 5th edition, Herder, Vienna-Freiburg-Basel, and Nova & Vetera, Bonn, 1962, . Marini, Piero (Archbishop), (2007). A Challenging Reform: Realizing the Vision of the Liturgical Renewal. The Liturgical Press. Martimort, A.G. (editor). The Church At Prayer. The Liturgical Press.
Johnson Lawrence J (2009) Worship in the Early Church An Anthology of Historical Sources The Liturgical Press Jungmann Josef Andreas (1948) Missarum Sollemnia A genetic explanation of the Roman Mass (2 volumes) Herder Vienna First edition 1948; 2nd Edition 1949 5th edition Herder Vienna-Freiburg-Basel and Nova & Vetera Bonn 1962  Marini Piero (Archbishop) (2007) A Challenging Reform Realizing the Vision of the Liturgical Renewal The Liturgical Press Martimort AG (editor) The Church At Prayer The Liturgical Press