Quo primum
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Quo Primum Tempore is the incipit of an Apostolic Constitution in the form of a Papal bull issued by Pope Pius V on 14 July 1570.
Pope Pius V (1566) as depicted by Roman painter Bartolomeo Passarotti. Oil on Canvas.
The elevation of the Holy Eucharist in the custom of Ad Orientem during a Catholic Mass.
The text of the Pontifical decree.
Pre-Tridentine Mass
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Pre-Tridentine Mass refers to the evolving and regional forms of the Catholic Mass in the West from antiquity to 1570. The basic structure solidified early and has been preserved, as well as important
Mass from English Book of Hours (c. 1300-1400)
Mass with St. Gilles and Charlemagne (c. 1500)
A Pontifical Sung Mass at the close of the Middle Ages or early Renaissance (15th century)
Resurrection of the Flesh (1499–1502) Fresco Chapel of San Brizio, Duomo, Orvieto.