[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.