Christian Worship : Its Origin and Evolution, Fifth Edition

Christian Worship. Its Origin And Evolution. A Study Of The Latin Liturgy Up To The Time Of Charlemagne

The churches separated from Rome

Early History of the Christian Church

Early History of the Christian Church

Early History of the Christian Church

Christian Worship : Its Origin and Evolution

Christian Worship

Early History of the Christian Church

Histoire Ancienne de l'Église; Volume 1

Correspondance avec madame Bulteau, 1902-1922