The First Reading is Exodus 24.12-18, in which Moses goes up on Mount Sinai.
The Second Reading is 3 Kings/1 Kings 19.3-8, when Ezekiel is fed by an angel.
In the Gospel Reading, Matthew 12.38-50, Jesus responds to the request of the scribes and Pharisees for a sign by referring to the story of the prophet Jonah.
The Liturgical Year by Dom Guéranger
Medieval Sources
Gregory the Great’s Third Gospel Homily
The Golden Legend (and illustrations)
Sermons
Explanation of the Epistles and Gospels for the Sundays, holydays and festivals throughout the ecclesiastical year, to which are added the lives of many saints by Leonard Goffiné (Pustet, 1880).
Goffine’s Devout Instructions on the Epistles and Gospels for the Sundays and Holydays (Benziger, 1896).
Meditations
Daily Meditations on the Mysteries of Our Holy Faith and on the Lives of Our Lord Jesus Christ and of the Saints by Alonso De Andrade.
Art
Concordantia caritatis, Morgan Library, MS M.1045, fol. 40v
Art – Moses Receiving the Law
Warburg Institute Iconographic Database
4C Relief of Moses Receiving the Law
6C Mosaic of Moses Receiving the Law in San Vitale in Ravenna
Art – Elijah Fed by an Angel
Warburg Institute Iconographic Database
1464 Painting of Elijah and an Angel
1577 Painting by Tintoretto of Elijah Fed by an Angel
1580 Painting of Elijah Fed by an Angel
1625 Painting by Rubens of Elijah Fed by an Angel
1660 Painting of Elijah Fed by an Angel
ca. 1665 Painting of Elijah Fed by an Angel
1680-1726 Painting of Elijah Fed by an Angel
Gustave Doré’s illustrations for La Grande Bible de Tours – Elijah Fed by an Angel
Art – Jonah
Index of Medieval Art – Christ on the Sign of Jonah & Jonah
Warburg Institute Iconographic Database – Jonah
Guide to Christian Iconography – Jonah
4C Cleveland Jonah Marbles – Jonah Swallowed, Jonah Cast Up, Jonah Praying, Jonah under the Gourd
Gustave Doré’s illustrations for La Grande Bible de Tours – Jonah Spewed Forth by the Whale, Jonah Preaching to the Ninevites
Kornbluth Photographic Archive – Jonah
Music
Cantus: A Database for Latin Ecclesiastical Chant, also
Station Church
Nihil sub sole novum 
