1. Alain de Lille (1128–1203). “Liber sententiarum,” “De nativitate Domini iterum.” PL 210, Cols. 234B–243B.
2. Baldwin of Canterbury. “Tractatus diversi.” PL 204, Cols. 403A–570D.
3. Bernard of Clairvaux. Sermones in Cantica Canticorum. Sermo LXIII. “De vinea viro pio et sapienti.” PL 183, 1080B–1096D.