September 21 is the Feast Day of St. Matthew.

Caravaggio’s Calling of St Matthew. It hangs in the Contarelli Chapel in San Luigi dei Francesi, Rome. This depicts the scene that is the basis of Pope Francis episcopal motto: “Miserando atque eligendo,” which means “because he saw him through the eyes of mercy and chose him.”

Khan Academy: The Calling of St. Matthew

Description and Analysis The Calling of St. Matthew

RCL Benzinger Saints St. Matthew the Apostle

Catholic News Agency St. Matthew

Bible Study Tools: The Book of Matthew

Oremus NRSV version of the Gospel of Matthew

The Gospel according to Matthew by Felix Just, S.J., Ph.D. Introductory Materials, Thematic Studies, Using Matthew’s Gospel in Year A