Christian Worship Its Origin and Evolution: A Study of the Latin Liturgy Up to the Time of Charlemagne Duchesne, L 1843-1922 Innbundet / 2015 / Engelsk
Early History of the Christian Church From Its Foundation to the End of the Fifth Century Duchesne, L 1843-1922 Innbundet / 2015 / Engelsk
Beginnings of the Temporal Sovereignty of the Popes, A.D. 754-1073 Mathew, Arnold Harris Innbundet / 2015 / Engelsk
