A Latin-language treatise on the Sacrament of the Eucharist, written in the late 17th century by an anonymous author. This work offers a detailed and rigorous examination of the liturgical and theological principles surrounding the celebration of the Mass, and remains an important text for scholars and practitioners of Catholic spirituality.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.

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