Before revision: Among the great figures of Christian eortology , we can cite the Sulpician Pierre Batiffol and his History of the Roman Breviary published in 1893, Hartmann Grisar and his Analecta Romana published in 1899, or even the academician canon Louis Duchesne and his monumental studies on the Origins of Christian worship.
After revision: Among the great figures of Christian heortology , we can cite the Sulpician Pierre Batiffol and his History of the Roman Breviary published in 1893, Hartmann Grisar and his Analecta Romana published in 1899, or even the academician canon Louis Duchesne and his monumental studies on the Origins of Christian worship.