[41]Hymns of the Eastern Church, translated, with notes and an introduction by J. M. Neale, D.D.
[42]Lanciani, Pagan and Christian Rome.
[43]St. Augustine, Confessions, book ix. chap. 7.
[44]St. Augustine, Confessions, book ix. chap. 6.
[45]Gibbons, The Faith of our Fathers, chap. 24.
[46]Caecilien Kalendar (Regensburg), 1879.
[47]Wiseman, Four Lectures on the Offices and Ceremonies of Holy Week as performed in the Papal Chapels, delivered in Rome, 1837.
[48]Jakob, Die Kunst im Dienste der Kirche.
[49]Sermon by Dr. Leonhard Kuhn, published in the Kirchenmusikalisches Jahrbuch (Regensburg), 1892.
[50]O’Brien, History of the Mass.