Mark
Evangelist. His Gospel is listed second in the Tridentine canon.
Preliminaries
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DECREES OF THE COUNCIL OF TRENT (SESSION IV).
— His Gospel listed second
"according to Matthew, Mark, Luke, and John"
Pope Clement VIII, Jerome's Prefaces, On Worship
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II. JEROME TO PAULINUS.
— Named as one of the four evangelists
"Matthew, Mark, Luke, and John -- the four-horse chariot of the Lord and the true Cherubim"
Preface and Praise of Sacred Scripture
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Chapter IV: The Judgments and Examples of the Fathers
— Instituted Christian study of sacred Letters at Alexandria in the apostolic age
"St. Mark instituted this Christian study of the sacred Letters at Alexandria."