They do find recognition as an antiphon in the Liturgy of St. Chrysostom.
"A Short History of the Book of Common Prayer"
William Reed Huntington
The Liturgy of St. Chrysostom provides that the Beatitudes shall be sung on Sundays in room of the third antiphon.
"A Short History of the Book of Common Prayer"
William Reed Huntington
They were standing over the doll's grave, side by side, and chanting in antiphon the fourth proposition of the First Book of Euclid, when Captain Runacles came round the corner of the house and halted to rub his eyes.
"The Blue Pavilions"
Sir Arthur Thomas Quiller-Couch