"Page 391 of the 1974 Graduale Romanum lists seven Antiphonae Eucharisticae pro Communione ad libitum adhibendae, which may, for pastoral reasons, supplant the Communion chant proper to the day.
"If done responsorially with the verses specified by the Graduale, either in Latin or the vernacular, the same antiphon/psalm combination could conceivably be used over multiple Sundays while the verses to the psalm are completed—similar to what the weekday Lectionary does with St. Paul’s epistles."
One of the seven antiphons is the one you're asking about.
1974 Graduale: Week 19, page 319. There is a slight variance in the text: Panem de caelo dedisti nobis, Domine. Sap. 16, 20. Liber Usualis: 13th Sunday after Pentecost. Page 1035.
Don't know about the index of scriptural references--that would be a useful resource.
As you probably know, the versicle & response format you show is used for Benediction. It's also in Vespers for Corpus Christi.
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