Colloquy of the Blessed Virgin and the Angel Part 1
Colloquy of the Blessed Virgin and the Angel Part 2
The Annunciation and the Blessed Virgins Consent Part 1
The Annunciation and the Blessed Virgins Consent Part 2
On the Joy His Birth Should Inspire
On the Miraculous Nature of His Nativity


Sources
Bernard, of Clairvaux, Saint. Sermons of St. Bernard on Advent and Christmas : including the famous treatise on the incarnation called “Missus est”. London: R.T. Washbourne, 1909.
All of these writings have been published before 1923 and are in the public domain.

Taken from: https://www.alleluiaaudiobooks.com/audiobook-the-great-advent-homilies-of-st-bernard-of-clairvaux-2/