Ambrosian Missal

The Ambrosian Missal is a traditional liturgical book used in the Roman Catholic Mass, specifically within the Ambrosian Rite, primarily in the Milan area. It contains the prayers, chants, and rituals that priests follow during worship services. Originating in the 4th century and formally developed in the 9th century, the missal reflects the unique liturgical traditions of this rite, which differ slightly from the more widespread Roman Rite. Its preserves the historical structure, prayers, and music associated with the Ambrosian liturgy, serving as a guiding resource for celebrants to conduct Mass consistent with this centuries-old ecclesiastical tradition.